When did the united states buy alaska?
ALASKA was a Russian colony from 1744 until the USA bought it in 1867 for $7,200,000. It was made a state in 1959.
The Alaska Purchase was the United States' acquisition of Alaska from the Russian Empire. Alaska was formally transferred to the United States on October 18, 1867, through a treaty ratified by the United States Senate and signed by President Andrew Johnson
The United States purchased Alaska in 1867.
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