The U.S. has never owned Canada.
Samoans
Russia
Donald Trump
Donald Trump
Mexico
MEXICO owend it
The colony of South Carolina was "owned" by the British - before the Revolutionary War ended in victory for the U.S. in 1981.
Columbia owned the area around Panama before the US helped Panama form its own country.
who owned the car before me?
Before Canada existed as a nation, Alaska was owned by Russia. Russia then sold Alaska to the United States.
Alaska was originally owned by Russia.