The Ōtsu incident was an unsuccessful assassination attempt on Nicholas Alexandrovich, Tsarevich of Russia on 11 May 1891, during his visit to Japan as part of his eastern journey.
Gravure depicting the attempted assassination of Nicholas II of Russia in Ōtsu, Japan, by Henri Meyer, Paris, Le Petit Journal, 30 May 1891 issue
Nicholas Alexandrovich, Tsarevich of Russia
The Tsarevich's attacker, the policeman Tsuda Sanzō
Tsarevich Nicholas at Nagasaki.
Tsuda Sanzō was a Japanese policeman who in 1891 attempted to assassinate the Tsesarevich Nicholas Alexandrovich of Russia, in what became known as the Ōtsu incident. He was convicted for attempted mu
Ōtsu incident
…occurred on 11 May [O.S. 29 April] 1891 while Nicholas was returning to Kyoto after a day trip to Lake Biwa in Ōtsu, Shiga Prefecture. He was attacked by Tsuda Sanzō (1855–1891), one of his escorting policemen, who swung at the Tsarevich's face with a sabre. The quick action of Nicholas' cousin, Prince George of…
Notice of investigation into the background of Tsuda Sanzō, Japanese police record of the Ōtsu incident, 13 May 1891