Home of the astros for over three decades. And was the first stadium constructed, the first ever baseball game was played at the astrodome occurred on april 9, 1965.Construction began on January 3, 1962 and the baseball franchise, the Houston Colts .45s began playing in April 1962 at the Colt Stadium, adjacent to the new dome stadium that was under construction. The Colt .45s played three seasons at Colt Stadium before moving into their new home. Originally known as the Harris County Dome Stadium, it was renamed the Astrodome as the Colt .45s were renamed the Astros
