Flag Football was invented in the year 1999 with someone
1783
The semaphore flag signaling system was developed by Claude Chappe in France during the late 18th century. Chappe's system used a series of different flag positions to convey messages over long distances, and it was widely used for communication before the invention of the telegraph.
1950's solar system invented
it was invented in 1923.
The first flag was invented in 1775. A Liberty Tree flag was flown on American ships through the New England waters. It had a white background with a green pine tree and said " An Appeal to Heaven".
1935
It is not known who invented the Greek flag and it is thought to have derived from an older version of the flag. The flag of Greece is blue and white.
1923
In 1876.
in 1992
Mr. Korean Flag