Occurred in September 28, 1781 through October 19, 1781 and was a turning point in American History as the last battle of the American Revolution and this would be impactful because this battle would led to the thirteen colonies to separate from the British. With the help of the British, the thirteen colonies would defeat the British forces in Cowpens, South Carolina. This is important because it demonstrates the formation of the United States and gained independence.

Occurred from July 1, 1863 – July 3, 1863 and this was a battle during the civil war and was the most impactful war as it signaled the victory of the North which would later end slavery and pursue the democratic freedom for all Americans. The confederate army would retreat back to Virginia and would be a greatest number of casualties throughout the war. This date is the start of the formation of an American identity and that why it's so important.

Source: https://en.wikipedia.org/wiki/Attack_on_Pearl_Harbor

Source: https://www.archives.gov/milestone-documents/brown-v-board-of-education#:~:text=Citation%3A%20Brown%20v.%20Board%20of,Record%20Group%20267%3B%20National%20Archives.&text=In%20this%20milestone%20decision%2C%20the,basis%20of%20race%20was%20unconstitutional.

Would occur in January 22, 1973 which signaled that women would able to get abortions because it was there power as women. This would be very important because it would give women the freedom to exercised their rights as women. A women in the name of Jane Roe would want to get an abortion and would go against being prohibited from getting an abortion. Which later established that women could get abortions.