South Carolina seceded from the United States, becoming the first state to do so, which ultimately led to the American Civil War.
in 1946:
The popular Christmas film "It's a Wonderful Life," directed by Frank Capra and starring James Stewart, premiered in New York City.
in 1956:
The Montgomery Bus Boycott in Alabama, led by Martin Luther King Jr., ended successfully after 381 days, resulting in a U.S. Supreme Court ruling that declared segregation on public buses unconstitutional.
in 1989:
The United States invaded Panama to oust its leader, Manuel Noriega, leading to his capture and the end of his dictatorship.
These events span various aspects of history, including territorial expansion, civil rights movements, cinema, and geopolitical conflicts, highlighting December 20th's historical significance and feel free to cross=check these facts!