The final holdout within NATO — Turkey — voted on Thursday to let Finland join the alliance.
Finland's efforts to join NATO, motivated by Russia's invasion of Ukraine, had been delayed as Turkey held out on approving its membership.
It joining NATO would more than double the length of the border between NATO countries and Russia, taking it from around 750 miles to around 1,600.
Turkish lawmakers vote in favor of Finland's bid to join NATO late Thursday, March 30, 2023, at the parliament in Ankara, Turkey.
Most NATO members quickly approved Finland and Sweden's requests to join, but Turkey delayed the process by months, declining to support either country.