Original: The first production Model T was produced on August 12, 1908 and left the factory on September 27, 1908, at the Piquette Plant in Detroit, Michigan. On May 26, 1927, Henry Ford watched the 15 millionth Model T Ford roll off the assembly line at his factory in Highland Park, Michigan.
Simplified: Ford began building the Model T in his Piquette factory on October 6, 1908 as a 1909 model.