| Holiday name | Holiday location | Holiday type |
|---|---|---|
| Songkran | Thailand | National Holiday |
| Unfairly Prosecuted Persons Day | Slovakia | Observance |
| Easter Monday | Multiple [Show] | Multiple Types |
| Thomas Jefferson's Birthday | United States | Observance |
| Pesach V (Passover) | Israel | Observance, Hebrew |
| Easter Monday (bank holiday) | Malta | Bank Holiday |
| Family Day | South Africa | Public Holiday |
| Dyngus day | Poland | Observance |
| National Scrabble Day | - | Unofficial (Fun & Joy) |
| National Thomas Jefferson Day | - | Unofficial (Culture & History) |
| National Peach Cobbler Day | - | Unofficial (Food & Drinks) |
| National Make Lunch Count Day | - | Unofficial (Food & Drinks) |
| Vaisakhi | India | Restricted Holiday |
| Chaitra Sankranti | Bangladesh | Optional Holiday |
| Khmer New Year Day (Day 1) | Cambodia | Public Holiday |
| Baisakhi | Pakistan | Optional Holiday |
| Sinhala and Tamil New Year's Eve | Sri Lanka | Public Holiday |
Historical Events on April 13
- 1861: During the American Civil War, Fort Sumter surrenders to Confederate troops on this day.
- 1865: Union troops occupy Raleigh, North Carolina during the American Civil War.
- 1870: The Metropolitan Museum of Art in New York City is established.
- 1873: More than sixty African-Americans are murdered during the Colfax Massacre.
- 1902: C. Penney opens his first store in Kemmerer, Wyoming.
- 1919: During the Jallianwala Bagh Massacre, almost 400 unarmed demonstrators are gunned down by British troops and another twelve hundred are wounded.
- 1919: Eugene V. Debs is imprisoned at the Atlanta Federal Penitentiary in Atlanta on charges of sedition for speaking out against the President of the U.S and World War I.
- 1941: The USSR and Japan sign a Pact of Neutrality.
- 1943: The discovery of mass graves at the Katyn Forest Massacre is announced.
- 1943: On the 200th anniversary of U.S President Thomas Jefferson’s birth, the Jefferson Memorial in Washington, D.C is dedicated.
- 1945: During WWII, more than a thousand military and political prisoners are killed by the Germans in Gardelegen, Germany.
- 1945: Bulgarian and Soviet troops capture the city of Vienna in Austria.
- 1972: The Battle of An Loc erupts during the Vietnam War.
- 1974: In cooperation with Hughes Aircraft and NASA, Western Union launches the largest U.S commercial geosynchronous communication satellite. It’s called Westar 1.
- 1976: The 2-dollar bill is reintroduced by the U.S Treasury Department on Thomas Jefferson’s 233rd
- 1997: Tiger Woods becomes the youngest golfer to win the Masters Tournament.
- 2017: The US drops the largest ever nonnuclear bomb on Nangarhar, Afghanistan.
Famous Birthdays on April 13
- American lawyer, politician and 3rdS President, Thomas Jefferson is born in 1743.
- American lawyer and politician, John Robertson is born in 1787.
- Irish archbishop and poet, William Alexander is born in 1824.
- Irish novelist, poet, playwright and Nobel Prize laureate, Samuel Beckett is born in 1906.
- American novelist and short story writer, Eudora Welty is born in 1909.
- American geneticist and Nobel Prize laureate, Michael Stuart Brown is born in 1941.
- American actor Tony Dow is born in 1945.
- Australian actress and author, Judy Nunn is born in 1945.
- American poet Rae Armantrout is born in 1947.
