George IV succeeded his father, George III, as King of the United Kingdom.
Source
Selena Gomez's debut studio album 'Stars Dance' was released.
The Seneca Falls Convention became the first-ever US women's rights convention.
Maurice-François Garin won the first Tour de France.
Adolf Hitler offered peace to Great Britain if they would surrender and allow Germany to dominate the country.
The Great Fire of Rome started when the merchant shops around the Circus Maximus caught fire.
