April 2, 2020 — Hans Christian Andersen born this day in 1807
April 4, 2020 — Martin Luther King, Jr. Assassinated - 1968
April 8, 2020 — Passover
April 13, 2020 — Thomas Jefferson born this day in 1743
April 14, 2020 — Abraham Lincoln Assassinated - 1865
April 15, 2020 — Leonardo da Vinci born this day in 1452
April 18, 2020 — Paul Revere Day
April 20, 2020 — Patriots' Day
April 20, 2020 — Easter
April 22, 2020 — Earth Day
April 23, 2020 — William Shakespeare born this day in 1564
April 24, 2020 — Arbor Day
April 26, 2020 — John James Audubon born this day in 1785
April 28, 2020 — Maryland Admission Day - 1788
April 30, 2020 — Louisiana Admission Day - 1812