George IV succeeded his father, George III, as King of the United Kingdom.
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Brunel's SS Great Britain ship was launched after taking four years to build.
Adolf Hitler offered peace to Great Britain if they would surrender and allow Germany to dominate the country.
The Seneca Falls Convention became the first-ever US women's rights convention.
NASA's Apollo 11 orbited the moon.
Due to climate change, a deadly heatwave landed in North-East America.