December 1, 2021 — Rosa Parks Day
December 3, 2021 — Illinois Admission Day - 1818
December 7, 2021 — Pearl Harbor Day - 1941
December 7, 2021 — Delaware Admission Day - 1787
December 10, 2021 — Mississippi Admission Day - 1817
December 11, 2021 — Indiana Admission Day - 1816
December 12, 2021 — Pennsylvania Admission Day - 1787
December 14, 2021 — South Pole First Reached - 1911
December 14, 2021 — Alabama Admission Day - 1819
December 15, 2021 — Bill of Rights Day
December 16, 2021 — Boston Tea Party - 1773
December 18, 2021 — New Jersey Admission Day - 1787
December 20, 2021 — South Carolina First to Secede - 1860
December 21, 2021 — Pilgrims Disembarked at Plymouth - 1620
December 22, 2021 — Beatrix Potter died this day in 1943
December 25, 2021 — Christmas
December 26, 2021 — Kwanzaa begins
December 26, 2021 — Tsunami in Indian Ocean - 2004
December 28, 2021 — Iowa Admission Day - 1846
December 28, 2021 — Endangered Species Act passed - 1973
December 29, 2021 — Texas Admission Day - 1845
December 31, 2021 — WWII End of Hostilities - 1946
