The first flags were used primarily during wartime. Then in the 17th century, it became customary for ships to fly their nation's flag for easy identification. Finally, starting in the 19th-century, flags began being used as they are today. You can show off your patriotism with flag posters.
The first flags were used primarily during wartime. Then in the 17th century, it became customary for ships to fly their nation's flag for easy identification. Finally, starting in the 19th-century, flags began being used as they are today. You can show off your patriotism with flag posters.
