John Adams Served as the second President of the United States? A. 1797-1801 B. 1776-1780 C. 1781-1784 D. None of these Related Read more articles Previous PostGeorge Washington elected as the first president of the United States on? Next PostThomas Jefferson was the third president of the United States? If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply