Boss's Day began in 1958 when a State Farm employee registered the holiday with the U.S. Chamber of Commerce, according to Time and Date. She designated Oct. 16 because it was her father's birthday.

They surprised their Birmingham, Mich.-based boss by sending him more than 6,000 birthday cards. Stacks and stacks of cards, tied with colorful ribbon into groups, covered his big wooden desk.

Boss's Day began in 1958 when a State Farm employee registered the holiday with the U.S. Chamber of Commerce, according to Time and Date. She designated Oct. 16 because it was her father's birthday.