1977 Seychelles coup d'état
The 1977 Seychelles coup d'état was a coup that occurred in the East African and Indian Ocean country of Seychelles on 4–5 June 1977. Between 60–200 supporters of the Seychelles People's United Party (SPUP), who had been training in Tanzania, overthrew President Sir James Mancham of the Seychelles Democratic Party (SDP) while he was attending the Commonwealth Heads of Government Meeting in London, the United Kingdom.
Source: Wikipedia — 1977 Seychelles coup d'état (CC BY-SA 4.0)