Later, in July, the second administration of the Katsura Cabinet approved the annexation of Korea and when Ito arrived in Harbin on October 26 during his visit to Manchuria for a talk with the Russian Empire, he was assassinated by Ahn Jung-geun who was an activist for the independence of the Korean Empire.
その後、７月、第2次桂内閣が韓国併合を閣議決定、10月26日、伊藤はロシア帝国との会談を行うため渡満し、ハルピンに到着した際、大韓帝国の独立運動家安重根に暗殺された。