She staunchly supported her husband throughout his presidency and was active in keeping national morale high during the Civil War. She acted as the White House social coordinator, throwing lavish balls and redecorating the White House at great expense; her spending was the source of much consternation. She was seated next to Abraham when he was assassinated in the President's Box at Ford's Theatre on Tenth Street in Washington on April 14, 1865. His death weighed heavily on her, as did the deaths of her sons before and after the assassination.