Wikipedia:Selected anniversaries/September 20
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This is a list of selected September 20 anniversaries that appears on the "On this day" section of the Main Page. To suggest a new item, in most cases you can be bold and edit this page. Please read the selected anniversaries guidelines before making your edit. However, if your addition may be controversial, or on a day that is or soon will be on the Main Page, please post your suggestion on the talk page instead.
To report an error when this appears on the Main Page, see Main Page errors.September 20: Oktoberfest begins in Munich (2008)
- 1378 – Papal Schism: Unhappy with Pope Urban VI (pictured), a group of cardinals started a rival papacy with the election of Antipope Clement VII, throwing the Roman Catholic Church into turmoil.
- 1854 – The Crimean War began with a Franco-British victory over Russian forces at the Battle of Alma near the River Alma in Crimea.
- 1870 – The Bersaglieri entered Rome, ending the temporal power of the Pope and completing the unification of Italy.
- 1906 – The ocean liner RMS Mauretania, the largest and fastest ship in the world at the time, was launched in Newcastle, England.
- 1946 – The first Cannes Film Festival opened. The Palme d'Or, then known as the Grand Prix du Festival, was shared by eleven films that year.
- 1973 – Billie Jean King defeated Bobby Riggs in straight sets before 30,492 spectators at the Astrodome in Houston, Texas in an internationally televised tennis match dubbed the "The Battle of the Sexes".
More events: September 19 – September 20 – September 21
