100 days after he has won the election..
You run and get elected.
Yes, Barack Obama officially became the US president on 2009 January 20.
George Washington
1950. Guam officially become a state with the passage of the Guam Organic Act of 1950, which was signed by President Harry Truman.
Harry Truman was the US president when the UN was created.
William McKinly
No
you have to be born in the us to become the president
by voting as it is a republic nation
In 1787.
After the American Revolution.
a president simply rejects it officially or the congress overrules it by a majority vote