What happened on this land around c. 1945–1960 CE (postwar to mid-20th century)?

Oil nationalization crisis (1951–53), 1953 coup, Shah's modernization drive and autocratic consolidation in following decades.
Rulers
Mohammad Reza Shah (consolidation after 1953)
1941–1979; post-1953 more consolidated rule
Political upheavals including the 1953 coup that bolstered the Shah's power.
Battles
1953 Iranian coup d'état (Operation Ajax)
1953 Aug
CIA/MI6-backed coup removes PM Mohammed Mossadegh and strengthens the Shah's rule.