June 14 is recognized as Flag Day in the United States of America. Here are five facts you should know about the holiday. 1. On June 14, 1777, The Continental Congress passed a resolution that designated the Stars and Stripes as America's official flag. 2. According to the National Flag Day Foundation, a Wisconsin man named B.J. Cigrand organized a flag day celebration for the flag's birthday. 3. Legend says a man named William Kerr inspired former President Woodrow Wilson to issue a proclamation that declared June 14th as Flag Day. 4. Nicknames for the American flag include 'Old Glory,' 'star-spangled banner,' 'red, white, and blue,' and 'stars and stripes.'