On May 1, 1885, the original Chicago Board of Trade Building opened for business.
On May 1, 1915, the RMS Lusitania left New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship was torpedoed off the coast of Ireland with the loss of 1,198 lives, including 128 Americans, rousing American public sentiment against Germany.
On May 1, 1991, Oakland Athletics outfielder Rickey Henderson stole his 939th base to break Lou Brock’s record for career stolen bases. Henderson ended his major league career stealing a total of 1,406 bases, almost 500 more than Brock, the next closest player.