21) What color are the stripes on the US flag?
22) When was the Declaration of Independence adopted by Congress?
23) What year did the US become independent from Great Britain?
24) What year did the first official Independence Day celebration take place?
25) Who was the first president of the US?
26) Who wrote the Star-Spangled Banner?
27) In what year did the 50 star flag debut?
28) How many states are there in the US?
29) How many stars are currently on the US flag?
30) Who wrote "Give me liberty or give me death?"