April 5 (UPI) -- On this date in history: In 1614, Pocahontas, daughter of a chief, married English tobacco planter John Rolfe in Jamestown, Va. It was a marriage that ensured peace between the settlers and the Powhatan Indians for several years. In 1768, the first U.S. Chamber of Commerce was founded in New York City. In 1792, President George Washington exercised veto power, the first time it was done in the United States. In 1933, Executive Order 6101 establishing the Civilian Conservation