At one point in 1795 the flag had 15 stripes, one for each state.
Vendors often use the Pantone shades 193 C and 281 C for the flag's red and blue.
The flag is always flying at the White House, Fort McHenry and at the Iwo Jima memorial.
Almost all American flags made today were produced in the U.S.
There's no evidence Betsy Ross designed the first American flag, but she was paid at one point for creating “ships colours.”
Other people think a man named Francis Hopkinson helped out with the flag's original look.
The Pledge of Allegiance was penned in 1892.
It read, "I pledge allegiance to my flag and the republic for which it stands, one nation, indivisible, with liberty and justice for all."
Congress put the phrase "under God" into the Pledge of Allegiance in 1954.
There are five American flags still standing on the moon, but they're all probably bleached white.
In 1776,the year the U.S. declared independence, there were about 2.5 million people living in the new world. There are now about 322 million.