The year 1821 was significant in history for several reasons. It marked the beginning of the Greek War of Independence, where Greeks fought against Ottoman rule to reclaim their freedom. This struggle inspired many around the world and highlighted the desire for national identity and self-determination. In the Americas, 1821 was also important as it saw the Mexican War of Independence come to an end. Mexico officially gained its independence from Spain, leading to the establishment of a new nation. This year was pivotal in shaping the political landscape of both Europe and the Americas, influencing future movements for independence and democracy.