1966 alleged Ceylonese coup attempt

1966 alleged Ceylonese coup d'état attempt
Location	Ceylon
Also known as	Bathroom coup
Type	coup
Participants	Major General Richard Udugama, MBE - Commander of the Ceylon Army; Captain Sirisena; Sergeant Mayadunna; Sergeant Bandara; Corporal Hondamuni; Corporal Amaratunga;
Inquest	following suicide
Arrests	The commander of the army and several military personnel
Suspects	31
Accused	Major General Richard Udugama, MBE - Commander of the Ceylon Army; Captain Sirisena; Sergeant Mayadunna; Sergeant Bandara; Corporal Hondamuni; Corporal Amaratunga;
Trial	Supreme Court of Ceylon
Verdict	culpable homicide

The 1966 alleged Ceylonese coup d'état attempt (also known as the Bathroom coup or the Lavatory coup ) was an alleged military coup planned in Sri Lanka (Ceylon). The commander of the army and several military personnel were arrested. They were later acquitted of a plot to overthrow the legally elected government.