National Presidential Joke Day is observed annually on August 11. In 1939, President Franklin D. Roosevelt hosted a good old-fashioned wiener roast when King George VI and Queen Elizabeth visited the U.S. in 1939. 1984 – August 11, 1984, Inspired by President Ronald Reagan’s hilarious gaffe, America decides to celebrate all such leaders who joke around by establishing National Presidential Joke Day. 1984 – National Presidential Joke Day began on August 11, 1984. Upon asking where his wife was, President Franklin Roosevelt was given the answer “prison;” he replied, “I’m not surprised.