1989 Ethiopian coup d'état attempt
1989 CE.
Shown on the map at 9.030°, 38.740°.
The 1989 Ethiopian coup d'état attempt took place on 16 May 1989, when President of the People's Democratic Republic of Ethiopia (PDRE) Mengistu Haile Mariam was out of the country for a four-day state visit to East Germany.
Text from the Wikipedia article 1989 Ethiopian coup attempt, licensed CC BY-SA 4.0.