President William Howard Taft was the first President to walk into the Oval Office in October 1909.
President Theodore Roosevelt's office in the West Wing was oval in shape.
George Washington used rooms with a bowed-end in Philadelphia to host formal receptions called levees.
In Washington's circular room arrangements, everyone stood at an equal distance from the president.
President Taft placed the Oval Office in the center of the West Wing to distance himself from daily administrative operations.
John Kennedy, Jr. is remembered in a famous image peering through the front panel of his father's desk.
President Ronald Reagan delivered a televised address from the Oval Office following the Challenger space shuttle explosion.
Less than six months after September 11, 2001, President George W. Bush welcomed Hamid Karzai to the Oval Office.
