Wikipedia:Selected anniversaries/September 23
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September 23: Vernal or Autumnal Equinox at 04:03 UTC in the Southern and Northern Hemispheres, respectively; Ramadan begins at sunset (Islam, 2006).
- 1459 - Yorkist forces led by Richard Neville won the Battle of Blore Heath in Staffordshire, England, the first major battle of the Wars of the Roses.
- 1845 - Origins of baseball: Alexander Cartwright organized the first "base ball" team, the New York Knickerbockers.
- 1846 - The planet Neptune was discovered by astronomers Urbain Le Verrier, Johann Gottfried Galle and John Couch Adams.
- 1868 - Ramón Emeterio Betances (pictured) led the Grito de Lares, a revolt against Spanish rule in Puerto Rico.
- 1932 - Hejaz and Nejd were merged and renamed the Kingdom of Saudi Arabia, with Ibn Saud as the first monarch and Riyadh as the capital city.
Recent days: September 22 – September 21 – September 20
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