It takes place in the British colony of New York (America) before the Revolution War (1775-1783). There were 13 colonies in North America and they rebelled against British rule because they wanted to be independent. If you click here you will see the map with these colonies and you will have access to some information about each colony.
The American Revolutionary War (also called the War of Independence) gave way to the formation of the United Sates of America (USA). This is what Americans celebrate on Independence Day (4th July) with parades, fireworks and family fun.