context: Alaska Deal, (Russian: Продажа Аляски, tr.Prodazha Alyaski), a deal whereby the United States purchased the state of Alaska from the Russian Empire in 1867, under a treaty ratified by the US Senate, and signed by US President Andrew Johnson. [2] [3] [4]
question: In what year did the United States buy Alaska from the Russian Empire?
answers.text: 1867