May 6, 1527 - Forces under Charles V sack Rome. Pope Clement VII manages to "escape" to Castel Sant'Angelo. This event caused major issues for Henry VIII.
May 6, 1536 - Henry VIII orders all churches to have a Bible printed in English.
May 6, 1861 - Richmond is named the new capital of the Confederate States of America.
May 6, 1937 - The Hindenburg, a German airship, catches fire and crashes while trying to dock at Lakehurst, New Jersey. 37 people were killed.