1918 Ukrainian coup d'état
The 1918 Ukrainian coup d'état or Hetman Coup (Ukrainian: Гетьманський переворот, romanized: Hetmanskyi perevorot) was a military coup d'état within the Ukrainian People's Republic on 29 April 1918. That day, farmers and landowners loyal to the Ukrainian lieutenant general Pavlo Skoropadskyi, with the support of the German Empire, launched a coup d'état against the government of the Ukrainian People's Republic, removing the Central Rada and installing Skoropadskyi as hetman.
Source: Wikipedia — 1918 Ukrainian coup d'état (CC BY-SA 4.0)