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15-20 July 1974General source · 2 sourcesWell documented

A Junta-Backed Coup in Cyprus Triggers Turkish Invasion

Greek officers overthrow Archbishop Makarios, and Turkey answers within days, dividing the island for good

On the timeline · around 15-20 July 1974 · Modern GreeceModern GreeceA Junta-Backed Coup in Cyprus Triggers Turkish Invasion195019601970198019902000

Quick facts

Coup against Makarios
15 July 1974
Installed leader
Nikos Sampson (collapsed within a week)
Turkish invasion begins
20 July 1974
Outcome
Cyprus divided; division persists today

What happened

On 15 July 1974, the Cypriot National Guard, backed by the Greek military junta under Dimitrios Ioannidis, staged a coup against Cypriot President Archbishop Makarios III, who narrowly escaped the attack on the presidential palace and fled the island; the junta briefly announced he was dead. The coup installed the nationalist Nikos Sampson, a choice one American diplomat later compared to waving a red flag in front of Turkey. On 20 July 1974, Turkey launched a military invasion of Cyprus, citing its rights as a guarantor power under Cyprus's 1960 independence agreements; the Sampson government collapsed within a week. The invasion proceeded in two phases into August, ending with Turkish forces controlling roughly a third of the island, a division that has persisted since.

Why it matters

The Cyprus coup was the Greek junta's final and fatal miscalculation: the Turkish invasion it provoked exposed the regime's weakness and triggered its collapse just days later, clearing the way for Greece's return to democratic government. The island's resulting partition remains unresolved decades later and continues to shape Greek-Turkish relations.

How we know

The coup against Makarios and the Turkish invasion that followed are documented in a first-hand diplomatic account collected by a US Foreign Service oral history archive, and the coup's role in triggering the Greek junta's collapse is documented in Greek institutional retrospectives on the democratic restoration.

Sources

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Part of a timelineHistory of Greece26 events · A classical civilization that spent most of its history as someone else's province, then had to build a nation-state twice, once in 1830 and again in 1974View all →