In the 1790s, as Vermont and Kentucky entered the union, the flag was updated with 15 stars and stripes. With the acceptance of Tennessee in 1792, however, it became clear that a star and strip per state would quickly "clutter" the flag, so the number of stripes was reduced to 13 with the first Flag Act (1793), and the 13 stripe flag was made official, with a new star to be added for every state. However, no specific design was named, so the well-known "circle" flags continued to be used. Ohio (1803) brought the number of stars to 17, and that flag, with 13 stripes, was the one that inspired Francis Scott Key to write "The Star Spangled Banner" during the Siege of Baltimore in the First American War.