On September 20... look at another day
Great Buddha of Kamakura
- 1498 – A tsunami caused by the Meiō earthquake washed away the building housing the statue of the Great Buddha (pictured) at Kōtoku-in in Kamakura, Japan; the statue has since stood in the open air.
- 1792 – The French Army achieved its first major victory of the War of the First Coalition at the Battle of Valmy.
- 1967 – L. Ron Hubbard, the founder of Scientology, announced the story of Xenu in a taped lecture sent to all Scientologists.
- 1997 – Hurricane Erika, the strongest and longest-lasting hurricane of the 1997 Atlantic hurricane season, dissipated after causing flooding and power outages throughout Puerto Rico.
- Susanna Rubinstein (b. 1847)
- Edith Rogers (b. 1894)
- Davidson Nicol (d. 1994)
- Victor Henry Anderson (d. 2001)
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