| Date | Event |
|---|---|
| October 21, 1998 | Hockey North America holds initial meeting for the 1999 beginner school. The founding members of the Admirals (and Battle Cats) attend in order to register for the school. |
| January 5, 1999 | The HNA beginner school begins. The players are split into teams, and the Admirals are officially formed. |
| March 2, 1999 | Admirals play their first game, a 8-4 loss to the Battle Cats. Don Zdrazil scores three goals, including the first goal in Admirals history. |
| March 23, 1999 | Admirals earn first point in the standings with a 4-4 tie with the Battle Cats. |
| April 6, 1999 | First win in Admirals history is a 3-2 win over the Battle Cats. John "J.D." Dunn scores the game-winner late in the second period. |
| April 27, 1999 | Admirals finish the beginner season with a 2-6-1-0 record. |
| October 31, 1999 | Admirals start the 1999-2000 season, their first game as an "intermediate" team, playing in Tier 5. The Admirals lose to the Battle Cats 4-3 at the Minnesota State Fairgrounds Coliseum. |
| January 2, 2000 | Admirals earn their first intermediate league win, besting the Jaguars 4-2. |
| March 22, 2000 | Admirals defeat the Jaguars 6-3, and finish their first intermediate season in Tier 5 with a record of 4-16-0-0. |
| June 4, 2000 | Winning five games in three days, the Admirals win the Tier 4, Level 6 championship at the HNA League Finals in Toronto, Ontario. The Admirals downed the Providence Thunder 8-7 in the championship game. Steve Fitz had eleven goals in the tournament, including five in the final game. |
| October 25, 2000 | The Admirals start the 2000-2001 campaign by defeating the Stars 9-2. The Admirals play the season in Tier 4C. |
| April 8, 2001 | After finishing the season 12-6-2-0, the Admirals win their first-ever playoff game, topping the Roadrunners 3-2 in overtime. The Admirals would go on to finish second in the Tier, losing in the finals to the Taz Devils. |
| October 27, 2001 | The Admirals play the 2001-2002 season in the newly-formed Adult Hockey Association as members of Tier 4B, and start with a 4-3 overtime win against the Land Sharks. |
| March 23, 2002 | After a 7-11-1-1 regular season, the Admirals go 0-2 in the playoffs, losing to the Taz Devils and Battle Cats. |
| October 27, 2002 | Admirals open fifth season with 3-2 overtime loss to the Roadrunners. |
| March 17, 2003 | The 100th game in team history closes the fifth season for Admirals. The Ads lose to the Land Sharks, 8-1. |
| November 1, 2003 | The Admirals start their sixth season with a 7-3 win over the Knights. |
| November 7, 2004 | The Admirals start their seventh season with a 4-2 loss to the Leftovers. |
| November 1, 2005 | The Admirals start their eighth season with a 7-3 loss to the Mighty Northern. |
| October 28, 2006 | The Admirals start their ninth season with a 7-6 win against the Saints. |
| October 27, 2007 | The Admirals start their historic tenth season with a 5-1 win against the Warriors. |