Here are some notable events that have occurred on February 24th throughout history:
303 - Roman Emperor Diocletian issues an edict to begin the persecution of Christians, starting the Diocletianic Persecution.
1582 - Pope Gregory XIII announces the Gregorian calendar, which is used in most of the world today.
1803 - The Supreme Court of the United States, in the landmark case Marbury v. Madison, establishes the principle of judicial review, giving the court the power to strike down laws passed by Congress.
1821 - Mexico gains its independence from Spain.
1868 - Andrew Johnson becomes the first U.S. president to be impeached by the House of Representatives.
1917 - The U.S. ambassador to Great Britain, Walter Hines Page, publicly announces that the United States will enter World War I on the side of the Allies.
1945 - The Battle of Iwo Jima begins between the United States and Japan during World War II.
1981 - Buckingham Palace announces the engagement of Prince Charles and Lady Diana Spencer.
1991 - During the Gulf War, U.S. forces launch a ground assault against Iraqi troops.
2016 - At the Academy Awards ceremony, the film "Spotlight" wins Best Picture, while Leonardo DiCaprio wins Best Actor for "The Revenant" after being nominated six times previously.