Several distinct periods of Cypriot intercommunal violence involving the two main ethnic communities, Greek Cypriots and Turkish Cypriots, marked mid-20th century Cyprus.

During the British rule in Mandatory Palestine, there was civil, political and armed struggle between Palestinian Arabs and the Jewish Yishuv, beginning from the violent spillover of the Franco-Syrian War in 1920 and until the onset of the 1948 Arab–Israeli War.