Today in history

1456: Joan of Arc is posthumously acquitted of heresy charges following a retrial. She was executed in 1431.

1928: The Chillicothe Baking Company of Chillicothe, Missouri, sells the first loaves of machine-sliced bread to customers.

2012: U.S. tennis player Serena Williams wins her fifth Wimbledon singles championship. Five hours later, she wins the doubles championship with her sister Venus.