James Monroe, the 5th president of the US was president during the Missouri Compromise.
The office of President didn't exist until 1789.
John Kennedy was the president when this event occurred.
Theodore Roosevelt
Thomas Jefferson
If any US President were to die during their term of office, then the US Vice President would be sworn in as President.
President Woodrow Wilson declared war on German in World War 1 and was in office during the war.
Nixon was the only President to resign from office.
Woodrow Wilson was the US president during WW I.
William Henry Harrison was the President of the United States during 1840. However, he died after only one month in office, making him the shortest-serving U.S. President in history.
The US was not in any wars while Pierce was president.
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