| Date | Country | Holiday name |
|---|---|---|
| 1973-04-01 |  Cyprus | Cyprus National Day |
| 1973-04-01 |  Iran | Islamic Republic Day |
| 1973-04-01 |  San Marino | Inauguration Ceremony |
| 1973-04-02 |  Argentina | Day of the veterans and the fallen in Malvinas War |
| 1973-04-02 | Iran | Sizdah Bedar |
| 1973-04-02 | Iran | Demise of Prophet Muhammad and Imam Hassan (Mujtaba) |
| 1973-04-03 |  Guinea | National Holiday |
| 1973-04-04 |  Angola | Peace Day |
| 1973-04-04 |  Senegal | National Holiday |
| 1973-04-04 |  Taiwan | Children's Day |
| 1973-04-04 | Iran | Martyrdom of Imam Reza |
| 1973-04-05 |  Switzerland | Näfelser Fahrt |
| 1973-04-05 |  China | Qingming Festival |
| 1973-04-05 |  Hong Kong | Qingming Festival |
| 1973-04-05 | Taiwan | Tomb Sweeping Day |
| 1973-04-06 |  Burundi | Ntaryamira Day |
| 1973-04-06 |  Cocos (Keeling) Islands | Self Determination Day |
| 1973-04-06 |  Thailand | Chakri Memorial Day |
| 1973-04-07 |  Mozambique | Women’s Day |
| 1973-04-07 |  Rwanda | Genocide Memorial Day |
| 1973-04-07 |  Tanzania | Karume Day |
| 1973-04-09 |  Georgia | National Unity Day |
| 1973-04-09 |  Philippines | Day of Valor |
| 1973-04-09 |  Tunisia | عيد الشهداء |
| 1973-04-09 |  Kosovo | Constitution Day |
| 1973-04-11 |  Costa Rica | Gesta Heroica de Juan Santamaría |
| 1973-04-11 | Iran | Martyrdom of Imam Hassan |
| 1973-04-12 |  Vietnam | Hung Kings Commemorations |
| 1973-04-13 |  Liberia | Fast and Prayer Day |
| 1973-04-13 | Thailand | Songkran Festival |
| 1973-04-14 |  People's Republic of Bangladesh | Bengali New Year's Day |
| 1973-04-14 |  Honduras | Día de las Américas |
| 1973-04-14 | Thailand | Songkran Festival |
| 1973-04-15 |  Bolivia | Tarija Day |
| 1973-04-15 |  Malaysia | Declaration of Malacca City as Historical City (04) |
| 1973-04-15 | Thailand | Songkran Festival |
| 1973-04-15 |  Jordan | Prophet's Birthday (estimated) |
| 1973-04-15 |  Kuwait | Prophet's Birthday (estimated) |
| 1973-04-15 |  United Arab Emirates | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Bosnia and Herzegovina | Birthday of Muhammad (Mawlid) |
| 1973-04-15 | People's Republic of Bangladesh | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Burkina Faso | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Bahrain | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Benin | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Brunei | Birthday of Muhammad (Mawlid) |
| 1973-04-15 | Cocos (Keeling) Islands | Hari Maulaud Nabi |
| 1973-04-15 |  Republic of Côte d'Ivoire | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Djibouti | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Algeria | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Egypt | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Western Sahara | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Eritrea | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Ethiopia | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Fiji | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  The Gambia | Birthday of Muhammad (Mawlid) |
| 1973-04-15 | Guinea | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Guyana | Youman Nabi |
| 1973-04-15 |  Indonesia | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Comoros | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Libya | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Kingdom of Morocco | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Republic of Mali | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Mauritania | Birthday of Muhammad (Mawlid) |
| 1973-04-15 | Malaysia | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Republic of the Niger | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Nigeria | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Sudan | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Sierra Leone | Mawlid |
| 1973-04-15 | Senegal | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Somalia | Birthday of Muhammad (Mawlid) |
| 1973-04-15 |  Chad | Birthday of Muhammad (Mawlid) |
| 1973-04-15 | Tunisia | Birthday of Muhammad (Mawlid) |
| 1973-04-15 | Tanzania | Maulid Day |
| 1973-04-16 | Bolivia | Tarija Day (substitutes) |
| 1973-04-16 |  Puerto Rico | Birthday of José de Diego |
| 1973-04-16 |  St. Helena | Queen's Birthday |
| 1973-04-16 |  United States of America | Emancipation Day (DC) |
| 1973-04-16 | United States of America | Patriots' Day (MA) |
| 1973-04-16 | Cocos (Keeling) Islands | Hari Maulaud Nabi (substitute day) |
| 1973-04-16 | Sierra Leone | Mawlid (substitute day) |
| 1973-04-16 |  Togolese Republic | Birthday of Muhammad (Mawlid) |
| 1973-04-17 |  American Samoa | American Samoa Flag Day |
| 1973-04-17 |  Gabon | Women's Day |
| 1973-04-17 |  Israel | Passover (Pesach) |
| 1973-04-17 |  Montenegro | Pesach |
| 1973-04-18 |  Zimbabwe | Independence Day |
| 1973-04-19 | Argentina | Maundy Thursday |
| 1973-04-19 |  Colombia | Maundy Thursday |
| 1973-04-19 | Costa Rica | Maundy Thursday |
| 1973-04-19 |  Denmark | Maundy Thursday |
| 1973-04-19 |  Ecuador | Maundy Thursday |
| 1973-04-19 |  Spain | Maundy Thursday |
| 1973-04-19 |  Faroe Islands | Maundy Thursday |
| 1973-04-19 |  Greenland | Maundy Thursday |
| 1973-04-19 |  Guatemala | Maundy Thursday |
| 1973-04-19 | Honduras | Maundy Thursday |
| 1973-04-19 | Canary Islands | Maundy Thursday |
| 1973-04-19 |  Iceland | Maundy Thursday |
| 1973-04-19 | Iceland | First Day of Summer |
| 1973-04-19 |  Nicaragua | Maundy Thursday |
| 1973-04-19 |  Norway | Maundy Thursday |
| 1973-04-19 |  Peru | Maundy Thursday |
| 1973-04-19 | Philippines | Maundy Thursday |
| 1973-04-19 |  Paraguay | Maundy Thursday |
| 1973-04-19 |  Svalbard & Jan Mayen | Maundy Thursday |
| 1973-04-19 |  El Salvador | Maundy Thursday |
| 1973-04-19 |  Swaziland | Birthday of King Mswati III |
| 1973-04-19 |  Uruguay | Maundy Thursday |
| 1973-04-19 |  Venezuela | Declaration of Independence |
| 1973-04-19 | Venezuela | Maundy Thursday |
| 1973-04-19 |  U.S. Virgin Islands | Maundy Thursday |
| 1973-04-20 |  Andorra | Good Friday |
| 1973-04-20 |  Antigua & Barbuda | Good Friday |
| 1973-04-20 |  Anguilla | Good Friday |
| 1973-04-20 | Angola | Good Friday |
| 1973-04-20 | Argentina | Good Friday |
| 1973-04-20 |  Australia | Good Friday |
| 1973-04-20 |  Aruba | Good Friday |
| 1973-04-20 |  Åland Islands | Good Friday |
| 1973-04-20 |  Barbados | Good Friday |
| 1973-04-20 |  Bermuda | Good Friday |
| 1973-04-20 | Bolivia | Good Friday |
| 1973-04-20 |  Caribbean Netherlands | Good Friday |
| 1973-04-20 |  Brazil | Good Friday |
| 1973-04-20 |  Bahamas | Good Friday |
| 1973-04-20 |  Botswana | Good Friday |
| 1973-04-20 |  Belize | Good Friday |
| 1973-04-20 |  Canada | Good Friday |
| 1973-04-20 | Switzerland | Good Friday |
| 1973-04-20 |  Cook Islands | Good Friday |
| 1973-04-20 |  Chile | Good Friday |
| 1973-04-20 |  Cameroon | Good Friday |
| 1973-04-20 | Colombia | Good Friday |
| 1973-04-20 | Costa Rica | Good Friday |
| 1973-04-20 |  Cuba | Good Friday |
| 1973-04-20 |  Cape Verde | Good Friday |
| 1973-04-20 |  Curaçao | Good Friday |
| 1973-04-20 |  Christmas Island | Good Friday |
| 1973-04-20 |  Czech Republic | Good Friday |
| 1973-04-20 |  Germany | Good Friday |
| 1973-04-20 | Denmark | Good Friday |
| 1973-04-20 |  Dominica | Good Friday |
| 1973-04-20 |  Dominican Republic | Good Friday |
| 1973-04-20 | Ecuador | Good Friday |
| 1973-04-20 |  Estonia | Good Friday |
| 1973-04-20 | Spain | Good Friday |
| 1973-04-20 |  Finland | Good Friday |
| 1973-04-20 | Fiji | Good Friday |
| 1973-04-20 | Faroe Islands | Good Friday |
| 1973-04-20 |  United Kingdom | Good Friday |
| 1973-04-20 |  Grenada | Good Friday |
| 1973-04-20 |  Guernsey | Good Friday |
| 1973-04-20 |  Ghana | Good Friday |
| 1973-04-20 |  Gibraltar | Good Friday |
| 1973-04-20 | Greenland | Good Friday |
| 1973-04-20 | The Gambia | Good Friday |
| 1973-04-20 |  Guadeloupe | Good Friday |
| 1973-04-20 |  Republic of Equatorial Guinea | Good Friday |
| 1973-04-20 | Guatemala | Good Friday |
| 1973-04-20 | Guyana | Good Friday |
| 1973-04-20 | Hong Kong | Good Friday |
| 1973-04-20 | Honduras | Good Friday |
| 1973-04-20 |  Haiti | Good Friday |
| 1973-04-20 | Canary Islands | Good Friday |
| 1973-04-20 | Indonesia | Good Friday |
| 1973-04-20 |  Isle of Man | Good Friday |
| 1973-04-20 | Iceland | Good Friday |
| 1973-04-20 |  Jersey | Good Friday |
| 1973-04-20 |  Jamaica | Good Friday |
| 1973-04-20 |  Kenya | Good Friday |
| 1973-04-20 |  St. Kitts & Nevis | Good Friday |
| 1973-04-20 |  Cayman Islands | Good Friday |
| 1973-04-20 |  St. Lucia | Good Friday |
| 1973-04-20 |  Lichtenstein | Good Friday |
| 1973-04-20 |  Lesotho | Good Friday |
| 1973-04-20 |  Latvia | Good Friday |
| 1973-04-20 | Montenegro | Good Friday |
| 1973-04-20 |  Martinique | Good Friday |
| 1973-04-20 |  Montserrat | Good Friday |
| 1973-04-20 |  Malta | Good Friday |
| 1973-04-20 |  Malawi | Good Friday |
| 1973-04-20 | Malaysia | Good Friday |
| 1973-04-20 |  Namibia | Good Friday |
| 1973-04-20 | Nigeria | Good Friday |
| 1973-04-20 | Nicaragua | Good Friday |
| 1973-04-20 | Norway | Good Friday |
| 1973-04-20 |  New Zealand | Good Friday |
| 1973-04-20 |  Panama | Good Friday |
| 1973-04-20 | Peru | Good Friday |
| 1973-04-20 | Philippines | Good Friday |
| 1973-04-20 |  Portugal | Good Friday |
| 1973-04-20 | Paraguay | Good Friday |
| 1973-04-20 | Rwanda | Good Friday |
| 1973-04-20 |  Seychelles | Good Friday |
| 1973-04-20 |  Sweden | Good Friday |
| 1973-04-20 |  Singapore | Good Friday |
| 1973-04-20 | St. Helena | Good Friday |
| 1973-04-20 | Svalbard & Jan Mayen | Good Friday |
| 1973-04-20 |  Slovakia | Good Friday |
| 1973-04-20 | Sierra Leone | Good Friday |
| 1973-04-20 |  Suriname | Good Friday |
| 1973-04-20 | El Salvador | Good Friday |
| 1973-04-20 |  Sint Maarten | Good Friday |
| 1973-04-20 | Swaziland | Good Friday |
| 1973-04-20 |  Turks & Caicos Islands | Good Friday |
| 1973-04-20 |  Tonga | Good Friday |
| 1973-04-20 |  Trinidad & Tobago | Good Friday |
| 1973-04-20 | Tanzania | Good Friday |
| 1973-04-20 |  Uganda | Good Friday |
| 1973-04-20 | Uruguay | Good Friday |
| 1973-04-20 |  St. Vincent & Grenadines | Good Friday |
| 1973-04-20 | Venezuela | Good Friday |
| 1973-04-20 |  British Virgin Islands | Good Friday |
| 1973-04-20 | U.S. Virgin Islands | Good Friday |
| 1973-04-20 |  Vanuatu | Good Friday |
| 1973-04-20 |  South Africa | Good Friday |
| 1973-04-20 |  Zambia | Good Friday |
| 1973-04-20 | Zimbabwe | Good Friday |
| 1973-04-20 | Iran | Birthday of Muhammad Prophet |
| 1973-04-20 | United States of America | Good Friday (KY) |
| 1973-04-21 | Australia | Easter Saturday |
| 1973-04-21 | Brazil | Tiradentes' Day |
| 1973-04-21 | Brazil | Fundação de Brasília (DF) |
| 1973-04-21 | Brazil | Data magna do estado (MG) |
| 1973-04-21 | Botswana | Easter Saturday |
| 1973-04-21 | Belize | Easter Saturday |
| 1973-04-21 | Fiji | Easter Saturday |
| 1973-04-21 | Guatemala | Easter Saturday |
| 1973-04-21 | Hong Kong | Easter Saturday |
| 1973-04-21 | Seychelles | Easter Saturday |
| 1973-04-21 | El Salvador | Easter Saturday |
| 1973-04-22 | Andorra | Easter Sunday |
| 1973-04-22 |  Albania | Catholic Easter |
| 1973-04-22 |  Austria | Easter Sunday |
| 1973-04-22 | Australia | Easter Sunday |
| 1973-04-22 | Bosnia and Herzegovina | Easter Sunday |
| 1973-04-22 | Burkina Faso | Easter Sunday |
| 1973-04-22 | Canada | Easter Sunday |
| 1973-04-22 | Switzerland | Easter Sunday |
| 1973-04-22 | Chile | Easter Sunday |
| 1973-04-22 | Colombia | Easter Sunday |
| 1973-04-22 | Denmark | Easter Sunday |
| 1973-04-22 | Estonia | Easter Sunday |
| 1973-04-22 | Finland | Easter Sunday |
| 1973-04-22 | Faroe Islands | Easter Sunday |
| 1973-04-22 | Greenland | Easter Sunday |
| 1973-04-22 | Hong Kong | Easter Sunday |
| 1973-04-22 |  Croatia | Easter Sunday |
| 1973-04-22 | Haiti | Easter Sunday |
| 1973-04-22 |  Hungary | Easter Sunday |
| 1973-04-22 |  Ireland | Easter Sunday |
| 1973-04-22 | Iceland | Easter Sunday |
| 1973-04-22 |  Italia | Easter Sunday |
| 1973-04-22 | Kenya | Easter Sunday |
| 1973-04-22 |  Lithuania | Easter Sunday |
| 1973-04-22 | Latvia | Easter Sunday |
| 1973-04-22 | Montenegro | Easter Sunday |
| 1973-04-22 |  Madagascar | Easter Sunday |
| 1973-04-22 |  Netherlands | Easter Sunday |
| 1973-04-22 | Norway | Easter Sunday |
| 1973-04-22 | Peru | Easter Sunday |
| 1973-04-22 | Philippines | Easter Sunday |
| 1973-04-22 |  Poland | Easter Sunday |
| 1973-04-22 | Portugal | Easter Sunday |
| 1973-04-22 | Seychelles | Easter Sunday |
| 1973-04-22 |  Slovenia | Easter Sunday |
| 1973-04-22 | Svalbard & Jan Mayen | Easter Sunday |
| 1973-04-22 | San Marino | Easter Sunday |
| 1973-04-22 | Sint Maarten | Easter Sunday |
| 1973-04-22 | Trinidad & Tobago | Easter Sunday |
| 1973-04-22 | Uganda | Easter Sunday |
| 1973-04-22 | Venezuela | Easter Sunday |
| 1973-04-22 | Kosovo | Easter Sunday |
| 1973-04-23 | Andorra | Easter Monday |
| 1973-04-23 | Antigua & Barbuda | Easter Monday |
| 1973-04-23 | Anguilla | Easter Monday |
| 1973-04-23 | Albania | Catholic Easter |
| 1973-04-23 | Austria | Easter Monday |
| 1973-04-23 | Australia | Easter Monday |
| 1973-04-23 | Aruba | Easter Monday |
| 1973-04-23 | Åland Islands | Easter Monday |
| 1973-04-23 | Bosnia and Herzegovina | Easter Monday |
| 1973-04-23 | Barbados | Easter Monday |
| 1973-04-23 |  Belgium | Easter Monday |
| 1973-04-23 | Burkina Faso | Easter Monday |
| 1973-04-23 | Benin | Easter Monday |
| 1973-04-23 |  St. Barths | Easter Monday |
| 1973-04-23 | Caribbean Netherlands | Easter Monday |
| 1973-04-23 | Bahamas | Easter Monday |
| 1973-04-23 | Botswana | Easter Monday |
| 1973-04-23 | Belize | Easter Monday |
| 1973-04-23 | Canada | Easter Monday (YT) |
| 1973-04-23 | Cocos (Keeling) Islands | Easter Monday |
| 1973-04-23 |  Central African Republic | Easter Monday |
| 1973-04-23 |  Republic of the Congo | Easter Monday |
| 1973-04-23 | Switzerland | Easter Monday |
| 1973-04-23 | Republic of Côte d'Ivoire | Easter Monday |
| 1973-04-23 | Cook Islands | Easter Monday |
| 1973-04-23 | Curaçao | Easter Monday |
| 1973-04-23 | Czech Republic | Easter Monday |
| 1973-04-23 | Germany | Easter Monday |
| 1973-04-23 | Denmark | Easter Monday |
| 1973-04-23 | Dominica | Easter Monday |
| 1973-04-23 | Spain | Día de Aragón (AR) |
| 1973-04-23 | Spain | Fiesta de Castilla y León (CL) |
| 1973-04-23 | Spain | Easter Monday (VC) |
| 1973-04-23 | Finland | Easter Monday |
| 1973-04-23 | Fiji | Easter Monday |
| 1973-04-23 | Faroe Islands | Easter Monday |
| 1973-04-23 |  France | Easter Monday |
| 1973-04-23 | Gabon | Easter Monday |
| 1973-04-23 | United Kingdom | Easter Monday |
| 1973-04-23 | Grenada | Easter Monday |
| 1973-04-23 |  French Guiana | Easter Monday |
| 1973-04-23 | Guernsey | Easter Monday |
| 1973-04-23 | Ghana | Easter Monday |
| 1973-04-23 | Gibraltar | Easter Monday |
| 1973-04-23 | Greenland | Easter Monday |
| 1973-04-23 | The Gambia | Easter Monday |
| 1973-04-23 | Guinea | Easter Monday |
| 1973-04-23 | Guadeloupe | Easter Monday |
| 1973-04-23 | Guyana | Easter Monday |
| 1973-04-23 | Hong Kong | Easter Monday |
| 1973-04-23 | Croatia | Easter Monday |
| 1973-04-23 | Hungary | Easter Monday |
| 1973-04-23 | Ireland | Easter Monday |
| 1973-04-23 | Isle of Man | Easter Monday |
| 1973-04-23 | Iceland | Easter Monday |
| 1973-04-23 | Italia | Easter Monday |
| 1973-04-23 | Jersey | Easter Monday |
| 1973-04-23 | Jamaica | Easter Monday |
| 1973-04-23 | Kenya | Easter Monday |
| 1973-04-23 | St. Kitts & Nevis | Easter Monday |
| 1973-04-23 | Cayman Islands | Easter Monday |
| 1973-04-23 | St. Lucia | Easter Monday |
| 1973-04-23 | Lichtenstein | Easter Monday |
| 1973-04-23 | Lesotho | Easter Monday |
| 1973-04-23 | Lithuania | Easter Monday |
| 1973-04-23 |  Luxembourg | Easter Monday |
| 1973-04-23 | Latvia | Easter Monday |
| 1973-04-23 |  Monaco | Easter Monday |
| 1973-04-23 | Montenegro | Easter Sunday |
| 1973-04-23 |  St. Martin | Easter Monday |
| 1973-04-23 | Madagascar | Easter Monday |
| 1973-04-23 | Republic of Mali | Easter Monday |
| 1973-04-23 | Martinique | Easter Monday |
| 1973-04-23 | Montserrat | Easter Monday |
| 1973-04-23 | Malawi | Easter Monday |
| 1973-04-23 | Namibia | Easter Monday |
| 1973-04-23 |  New Caledonia | Easter Monday |
| 1973-04-23 | Republic of the Niger | Easter Monday |
| 1973-04-23 | Nigeria | Easter Monday |
| 1973-04-23 | Netherlands | Easter Monday |
| 1973-04-23 | Norway | Easter Monday |
| 1973-04-23 | New Zealand | Easter Monday |
| 1973-04-23 | Poland | Easter Monday |
| 1973-04-23 |  St. Pierre & Miquelon | Easter Monday |
| 1973-04-23 |  Réunion | Easter Monday |
| 1973-04-23 | Rwanda | Easter Monday |
| 1973-04-23 | Seychelles | Easter Monday |
| 1973-04-23 | Sweden | Easter Monday |
| 1973-04-23 | St. Helena | Easter Monday |
| 1973-04-23 | Slovenia | Easter Monday |
| 1973-04-23 | Svalbard & Jan Mayen | Easter Monday |
| 1973-04-23 | Slovakia | Easter Monday |
| 1973-04-23 | Sierra Leone | Easter Monday |
| 1973-04-23 | San Marino | Easter Monday |
| 1973-04-23 | Senegal | Easter Monday |
| 1973-04-23 | Suriname | Easter Monday |
| 1973-04-23 | Sint Maarten | Easter Monday |
| 1973-04-23 | Swaziland | Easter Monday |
| 1973-04-23 | Turks & Caicos Islands | Easter Monday |
| 1973-04-23 | Chad | Easter Monday |
| 1973-04-23 | Togolese Republic | Easter Monday |
| 1973-04-23 | Tonga | Easter Monday |
| 1973-04-23 |  Turkey | National Sovereignty and Children's Day |
| 1973-04-23 | Tanzania | Easter Monday |
| 1973-04-23 | Uganda | Easter Monday |
| 1973-04-23 | United States of America | Confederate Memorial Day |
| 1973-04-23 |  Vatican City | Easter Monday |
| 1973-04-23 | St. Vincent & Grenadines | Easter Monday |
| 1973-04-23 | British Virgin Islands | Easter Monday |
| 1973-04-23 | U.S. Virgin Islands | Easter Monday |
| 1973-04-23 | Vanuatu | Easter Monday |
| 1973-04-23 |  Mayotte | Easter Monday |
| 1973-04-23 | South Africa | Family Day |
| 1973-04-23 | Zambia | Easter Monday |
| 1973-04-23 | Zimbabwe | Easter Monday |
| 1973-04-23 | Israel | Mimouna, Seventh day of Passover |
| 1973-04-24 |  Armenia | Mother's Day |
| 1973-04-24 | Faroe Islands | Flag Day |
| 1973-04-24 | Republic of the Niger | Concord Day |
| 1973-04-24 | New Zealand | Provincial anniversary day |
| 1973-04-25 | Australia | Anzac Day |
| 1973-04-25 | Cocos (Keeling) Islands | Anzac Day |
| 1973-04-25 | Cook Islands | Anzac Day |
| 1973-04-25 | Christmas Island | Anzac Day |
| 1973-04-25 | Egypt | Sinai Liberation Day |
| 1973-04-25 | Italia | Liberation Day |
| 1973-04-25 | New Zealand | ANZAC Day |
| 1973-04-25 | Portugal | Liberty Day |
| 1973-04-25 | Swaziland | National Flag Day |
| 1973-04-25 | Tonga | ANZAC Day |
| 1973-04-26 | Malaysia | Sultan of Terengganu's Birthday |
| 1973-04-26 | Tanzania | Union Day |
| 1973-04-27 | Aruba | Kings Day |
| 1973-04-27 |  Bulgaria | Good Friday |
| 1973-04-27 | Caribbean Netherlands | Kings Day |
| 1973-04-27 | Curaçao | Kings Day |
| 1973-04-27 | Cyprus | Good Friday |
| 1973-04-27 | Eritrea | Orthodox Good Friday |
| 1973-04-27 | Ethiopia | Good Friday |
| 1973-04-27 | France | Abolition of Slavery |
| 1973-04-27 | Georgia | Good Friday |
| 1973-04-27 |  Greece | Good Friday |
| 1973-04-27 | Montenegro | Good Friday |
| 1973-04-27 |  Romania | Good Friday |
| 1973-04-27 |  Serbia | Orthodox Good Friday |
| 1973-04-27 | Slovenia | Day of Uprising Against Occupation |
| 1973-04-27 | Sierra Leone | Independence Day |
| 1973-04-27 | Sint Maarten | King's Day |
| 1973-04-27 | Togolese Republic | Independence Day |
| 1973-04-27 | United States of America | Arbor Day |
| 1973-04-27 | Mayotte | Abolition of Slavery |
| 1973-04-27 | South Africa | Freedom Day |
| 1973-04-28 | Barbados | National Heroes Day |
| 1973-04-28 | Georgia | Easter Saturday |
| 1973-04-28 | Gibraltar | Workers Memorial Day |
| 1973-04-29 | Albania | Orthodox Easter |
| 1973-04-29 | Bosnia and Herzegovina | Orthodox Easter |
| 1973-04-29 | Bulgaria | Easter Sunday |
| 1973-04-29 | Cyprus | Easter Sunday |
| 1973-04-29 | Eritrea | Orthodox Easter |
| 1973-04-29 | Ethiopia | Easter Sunday |
| 1973-04-29 | Georgia | Easter Sunday |
| 1973-04-29 | Greece | Easter Sunday |
| 1973-04-29 |  Japan | Emperor's Birthday |
| 1973-04-29 |  Moldova | Easter Sunday |
| 1973-04-29 | Montenegro | Easter Sunday |
| 1973-04-29 |  Macedonia | Orthodox Easter |
| 1973-04-29 | Romania | Easter Sunday |
| 1973-04-29 | Serbia | Orthodox Easter |
| 1973-04-29 | Sudan | Coptic Easter |
| 1973-04-29 |  Ukraine | Orthodox Easter |
| 1973-04-29 | Kosovo | Orthodox Easter |
| 1973-04-30 | Albania | Orthodox Easter |
| 1973-04-30 | Argentina | Bridge Day |
| 1973-04-30 | Bulgaria | Easter Monday |
| 1973-04-30 | Caribbean Netherlands | Rincon Day |
| 1973-04-30 | Cyprus | Easter Monday |
| 1973-04-30 | Dominican Republic | Labour Day |
| 1973-04-30 | Egypt | Sham El Nessim |
| 1973-04-30 | Georgia | Easter Monday |
| 1973-04-30 | Greece | Easter Monday |
| 1973-04-30 | Japan | Emperor's Birthday (substitute day) |
| 1973-04-30 | Moldova | Easter Monday |
| 1973-04-30 | Macedonia | Orthodox Easter Monday |
| 1973-04-30 | Netherlands | Queen's Day |
| 1973-04-30 | Romania | Easter Monday |
| 1973-04-30 | Serbia | Orthodox Easter Monday |
| 1973-04-30 | Sint Maarten | Carnival |
| 1973-04-30 | Ukraine | Orthodox Easter |
| 1973-04-30 | United States of America | Confederate Memorial Day |
| 1973-04-30 | Vietnam | Day of liberating the South for national reunification |
Stay Updated with Global Holidays
Subscribe to receive:
- Weekly holiday updates for your country
- Calendar feed notifications
- Special holiday announcements
Incorrect Data Report
If you believe any of the data is incorrect, please report it below.
Are you interested in reporting incorrect data?