The Constitution of USA was adopted in? A. September 17, 1787 B. January 15, 1787 C. June 14, 1781 D. July 4, 1776 💾 Save the Page as PDF: 📥𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐍𝐨𝐰! Related Read more articles Previous PostFirst chief justice of USA was? Next PostUS constitution was ratified in? If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply