The Yom Kippur War of October 1973 was fought between Egypt and Syria against Israel.
Notes on verification
Well-documented historical event confirmed by multiple independent, authoritative sources including ADL, Wikipedia, History.com, and Britannica. Minor nuance that other Arab states also contributed forces does not undermine the core claim. [cascade flags: wikipedia_dropped_other_sources_exist | tier=bronze indep_score=0.3 clusters=2 claim_tier=everyday]
Sources
- Yom Kippur War | Summary, Causes, Combatants, & Facts - Britannica (seed:history_and_archaeology)
- https://www.adl.org/resources/backgrounder/yom-kippur-war-1973 (corroboration)
- https://www.history.com/articles/yom-kippur-war (corroboration)