Endangered Species Act
On December 28, 1973, President Richard Nixon signed the Endangered Species Act into law in an effort to protect threatened species from extinction.
On December 28, 1973, President Richard Nixon signed the Endangered Species Act into law in an effort to protect threatened species from extinction.
On December 27, 1980, the USPS issued the first stamp in the Great Americans Series, which would go on to become the longest-running US definitive series.
On December 26, 1919, Babe Ruth was sold by the Boston Red Sox to the New York Yankees, ushering in the long-standing superstitious Curse of the Bambino.
Christopher Houston Carson was born December 24, 1809, in Richmond, Kentucky.
Businesswoman Sarah Breedlove, better known as Madam C.J. Walker, was born on December 23, 1867, in Delta, Louisiana.
On December 22, 1910, the US Post Office Department issued its first Postal Savings Official Mail stamp.
On December 21, 1920, the US Post Office Department issued a set of three stamps honoring the 300th anniversary of the landing of the Pilgrims at Plymouth, Massachusetts.
December 20, 1812, is generally believed to be the day that Sacagawea died in Kenel, South Dakota.
On December 18, 1787, New Jersey became the third state to ratify the Constitution and join the Union.