The Municipal Auditorium , the largest in America except for Madison Square Garden in New York , was completed in time to host the Democratic National Convention in 1908 . Mayor Speer and the Chamber of Commerce raised $ 100,000 to celebrate the July 7 grand opening of the Auditorium with Denver 's first national political convention , when William Jennings Bryan was nominated to run for President for the third time
Democratic National Convention in 1908
1908 Democratic National Convention
Ellie Caulkins Opera House