Castellammarese War
- 1930–1931
- 20th century
- Wars & Conflicts

The Castellammarese War was a bloody power struggle for control of the American Mafia between partisans of Joe "The Boss" Masseria and Salvatore Maranzano in New York City from February 26, 1930, until April 15, 1931. The feud was named after the Sicilian town of Castellammare del Golfo, Maranzano's birthplace.
Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)
Which happened first?
- Castellammarese War began 2 years before Chaco War
- Castellammarese War began 2 years before Soviet–Japanese border conflicts
- Castellammarese War began 4 years after Northern Expedition
- Castellammarese War began 5 years before Second Italo-Ethiopian War
- Castellammarese War began 6 years before Siege of the Alcázar
Timeline
- Northern Expedition1926–1928
- Castellammarese War (this page)1930–1931
- Chaco WarSeptember 9, 1932 – June 12, 1935
- Soviet–Japanese border conflictsMarch 1, 1932 – September 16, 1939
- Second Italo-Ethiopian WarOctober 3, 1935 – February 19, 1937
- Siege of the AlcázarJuly 21, 1936 – September 27, 1936
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