[InitialLastName]

Technically, it wasn't.

Alaska was purchased by the US in 1867 from the Russian Empire [0]. The USSR didn't exist until 1922[1].

[0] https://en.wikipedia.org/wiki/Alaska_Purchase

[1] https://en.wikipedia.org/wiki/Soviet_Union

[decadancer]

We were told in history class it was a 100 year rent, which technically would mean it belonged to USSR upon it creation, but it seems to be a myth