US constitution was ratified in? A. June 21, 1788 B. July 16, 1700 C. February 17, 1776 D. December 20, 1789 💾 Save the Page as PDF: 📥𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐍𝐨𝐰! Related Read more articles Previous PostThe Constitution of USA was adopted in? Next PostGeorge Washington elected as the first president of the United States on? If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply