The iran-contra affair occurred during the Reagan administration
Start of the first political parties.
The two things that occurred during the Van Buren administration were economic crisis and unemployment increased.
Grant
There were no American deaths in Vietnam during the administration of Harry Truman. The first deaths occurred in 1959 under Eisenhower.
Alexander Hamilton
The Whiskey Rebellion occurred during the presidency of George Washington. It took place between 1791 and 1794, primarily in response to a federal excise tax on whiskey. Washington's administration ultimately responded to the rebellion by sending federal troops to suppress the uprising, demonstrating the federal government's authority to enforce its laws.
The Watergate Complex in Washington, DC became a symbol of the corruption widespread during the Nixon Administration.
800,000 were massacred during ethnic conflicts.
signing the Jay's treaty
The French Revolution occurred.
The Republican Party had not been created at that time.