Roughly 1 out of 600 people have ren arcuatus or, horsehoe kidney, a congenital disorder wherein their two kidneys are fused into one large U-shaped kidney. The disorder is rarely discovered as it is typically asymptomatic; patients usually find out they have it as a result of examination for another issue.

President Reagan is the only U.S. President whose inauguration has ever conflicted with Super Bowl Sunday. He was inaugurated, for his second term, on Sunday, January 20, 1985 in a private ceremony at the White House.

The Canadian postal service was established in 1755 by Ben Franklin—who opened the first official Canadian post office in Halifax, Nova Scotia as Deputy Postmaster General for the British Colonies.