1902 The Amphidrome was built and The Portage Lakes began playing professional hockey.
1903 The Portage Lakes win Hockey's first National Championship and the American Hockey Association is formed.
1904 The American Hockey Association is reorganized into the International Hockey League (IHL). Formation of the IHL marked the official beginning of professional hockey.
1927 The Amphidrome is destroyed by fire.
1928 The New Amphidrome is rebuilt on the same site.
1946 The Michigan College of Mining and Technology purchases the building and changes the name to Dee Stadium.