I believe it was because, that was such a great victory for the colonists over the British that after it was all over, everyone had heard about it. Hope this helps.
Research and publication of works on social and labour issue
Farm animals gave the disease to European farmers, and they gave it to the Native Americans.
In the early 1900's, 6 million African Americans emigrated form the rural south of the US to the northeast, mid-west and west and thus began an urban existence in many of the cities in these areas so became important politically due to their numbers and their strong support of the civil rights movement later on.
