The Missouri Compromise was a 1820 agreement that allowed Missouri to enter the Union as a slave state while Maine entered as a free state.

The Roswell Incident was an alleged UFO crash that occurred in 1947 near Roswell, New Mexico. The US military claimed it was a weather balloon.

President John F. Kennedy was assassinated in Dallas, Texas on November 22, 1963, by Lee Harvey Oswald. The event shocked the nation and sparked conspiracy theories.

The post-Civil War era saw a rise in opioid addiction among veterans and civilians due to widespread availability of morphine and laudanum, leading to public health concerns.

Woodrow Wilson was the 28th President of the United States, serving from 1913 to 1921. He led the country through World War I and championed the League of Nations.

The first jet aircraft in America was the Bell XP-59A, which made its maiden flight in 1942. It was based on British designs and used Whittle engines.

Tecumseh (1768-1813) was a Native American leader of the Shawnee tribe who fought to unite tribes against U.S. expansion and died in the War of 1812.