On this day: October 10

October 10

Triton, moon of Neptune

• 1846 – English astronomer William Lassell discovered Triton (pictured), the largest moon of the planet Neptune.
• 1897 – German chemist Felix Hoffmann discovered an improved way of synthesizing acetylsalicylic acid (aspirin).
• 1911 – The Xinhai Revolution began with the Wuchang Uprising, marking the beginning of the collapse of the Qing dynasty and the establishment of the Republic of China.
• 1967 – The Outer Space Treaty, a treaty that forms the basis of international space law, entered into force.
• 1982 – Maximilian Kolbe, who had volunteered to die in place of a stranger in the Nazi concentration camp of Auschwitz in Poland, was canonized by the Catholic Church.

Blanche Lazzell (b. 1878) · Beatriz Michelena (d. 1942) · Priaulx Rainier (d. 1986)

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