April 4, 2025 — Martin Luther King, Jr. Assassinated - 1968
April 4, 2025 — William Henry Harrison died this day in 1841
April 5, 2025 — National Read a Road Map Day
April 6, 2025 — Geologists Day
April 7, 2025 — World Health Day
April 11, 2025 — National Pet Day
April 12, 2025 — Passover
April 12, 2025 — Franklin D. Roosevelt died this day in 1945
April 13, 2025 — Thomas Jefferson born this day in 1743
April 14, 2025 — Abraham Lincoln Assassinated - 1865
April 15, 2025 — Leonardo da Vinci born this day in 1452
April 18, 2025 — Paul Revere Day
April 20, 2025 — Easter
April 21, 2025 — Patriot's Day
April 22, 2025 — Richard Nixon died this day in 1994
April 22, 2025 — Earth Day
April 23, 2025 — William Shakespeare born this day in 1564
April 23, 2025 — Spanish Language Day
April 23, 2025 — James Buchanan born this day in 1791
April 24, 2025 — National Physics Day
April 26, 2025 — National Richter Scale Day
April 26, 2025 — Get Organized Day
April 26, 2025 — Arbor Day
April 27, 2025 — Ulysses S. Grant born this day in 1822
April 28, 2025 — James Monroe born this day in 1758
April 28, 2025 — Maryland Admission Day - 1788
April 30, 2025 — Louisiana Admission Day - 1812
April 30, 2025 — National PrepareAthon! Day
