The war of 1812 was the only time in American history?

The War of 1812 was the only time in American history when the United States engaged in a declared war against the British Empire, which had significant implications for national identity and sovereignty. It was marked by various conflicts over maritime rights, trade restrictions, and territorial expansion. The war ultimately fostered a sense of unity and nationalism among Americans, despite its challenges and the controversial political debates surrounding it. The conflict also led to the decline of the Federalist Party and the emergence of the "Era of Good Feelings."