Wikipedia:Selected anniversaries/February 24

February 24: Independence Day in Estonia (1918); Flag Day in Mexico.

Pope Gregory XIII

• 303 - Roman Emperor Galerius began to persecute Christians.

• 1582 - Pope Gregory XIII (pictured) issued the papal bull Inter gravissimas to promulgate the Gregorian calendar, a modification of the Julian calendar in use since 45 BC.

• 1803 - Marbury v. Madison established judicial review in the United States.

• 1848 - Louis-Philippe, the Orléanist King of the French, abdicated and escaped to England.

• 1946 - Colonel Juan Perón was elected to his first term as President of Argentina.

Recent days: February 23 – February 22 – February 21

More anniversaries:

• January 31
• February 1
• February 2