Malvinas Day (Falkland Islands) : Argentina.

 Ramanavami (Birthday of Rama) : Hindu. (m)

 National Day : Senegal.

 Tomb Sweeping Day (Qing Ming) : China. (m)

 Booker T. Washington (1856–1915) : African American.

 Palm Sunday : Christian. (m)

 Founder's Day : Vietnam. (m)

 Tartan Day : United States.

 Chakri Day : Thailand

 

 François Dominique Toussaint-Louverture (c. 1743–1803) : Haitian.

 The Annunciation : Coptic Orthodox Christian, Eastern Orthodox Christian.

 Mahavir Jayanti : Jain. (m)

 Ramón Emeterio Betances (1827–1898) : Puerto Rican.

 Buddha's Birth (c. 563–483 B.C.E.) : Buddhist.

 Passover begins at sundown : Jewish. (m)

 Chandler Hovey, Jr. (?–1998) : People with Disabilities.

 Paul Robeson (1898–1976) : African American.

 Maundy Thursday : Christian. (m)

 Passover (first day of 8-day observance) : Jewish. (m)

 Restoration of Independence : Republic of Georgia.

 Martyrs' Day : Tunisia.

 Valor Day : Philippines.

 Good Friday : Christian. (m)

 Passover (second day of observance) : Jewish. (m)

 Jane Bolin (1908–2007) : African American.

 Holy Saturday : Christian. (m)

 Anniversary of the Battle of Rivas (Juan Santamaría Day) : Costa Rica.

 Easter : Christian. (m)

 Palm Sunday : Coptic Orthodox Christian, Eastern Orthodox Christian. (m)

 Samuel Beckett (1906–1989) : Irish.

 New Year : Cambodia, Laos.

 Easter Monday (observed as a public holiday in many countries) : Christian. (m)

 Vaisakhi (New Year) : Hindu. (m)

 Pan American Day : Latin America.

 Vaisakhi : Sikh.

 A[sa] Philip Randolph (1889–1982) : African American.

 Ike Pappas (born Icarus Nestor Pappas) (1933–2008) : Greek American.

 Holy Thursday : Coptic Orthodox Christian, Eastern Orthodox Christian. (m)

 Passover ends at sundown : Jewish. (m)

 Holy Friday : Coptic Orthodox Christian, Eastern Orthodox Christian. (m)

 Holy Saturday : Coptic Orthodox Christian, Eastern Orthodox Christian. (m)

 Independence Day : Zimbabwe.

 Glenn Seaborg (1912–1999) : Scandinavian American.

 Feast of Divine Mercy : Roman Catholic. (m)

 Easter : Coptic Orthodox Christian, Eastern Orthodox Christian. (m)

 Easter Monday : Coptic Orthodox Christian, Eastern Orthodox Christian. (m)

 José de Diego's Birthday : Puerto Rico. (m)

 Sham el Nessim (Spring Festival) : Egypt. (m)

 Holocaust Memorial Day (Yom Hashoah) : Jewish. (m)

 Festival of Ridvan : Baha'i.

 Tiradentes Day : Brazil.

 Earth Day : International.

 Gathering of Nations Powwow (4/23–25) : American Indian. (m)

 St. George's Day : England.

 Sovereignty Day : Turkey.

 First Day of Summer : Iceland. (m)

 Genocide Memorial Day : Armenia.

 Ella Fitzgerald (1917–1996) : African American.

 Anzac Day : Australia, New Zealand.

 Liberation Day : Italy.

 Liberation Day : Portugal.

 Sinai Liberation Day : Egypt.

 Coretta Scott King (1927–2006) : African American.

 Freedom Day : South Africa.

 Independence Day : Sierra Leone.

 Soldiers Memorial Day (Yom Hazikaron) : Israel. (m)

 Edward Kennedy "Duke" Ellington (1899–1974) : African American.

 Golden Week (April 29–May 5) : Japan.

 Independence Day (Yom Ha'atzma'ut) : Israel. (m)

 Showa Day (Showa No Hi) : Japan.

 Beltaine begins at sundown : Pagan and Wiccan.

 Queen's Day : Netherlands.

 Feast of Valborg : Sweden.