1926 Dhabyani coup d'état
1926 CE.
Shown on the map at 24.280°, 54.220°.
In 1926 Sheikh Saqr Al Nahyan, who had helped his brother, the then current emir of Abu Dhabi, Sultan Al Nahyan stage a coup in 1922, staged his own coup to take the throne for himself.
Text from the Wikipedia article 1926 Dhabyani coup d'état, licensed CC BY-SA 4.0.