The Memorial Cup honours all Canadian military personnel killed in combat, and was founded in the wake of World War I in 1919.

The Cup embarked on a tour across Canada for its centennial celebrations, which also included the release of a commemorative coin, and a special postage stamp.

The CHL also held a "team of the century" contest for previous Memorial Cup champions, which was won by the 2005 London Knights.

The Acadie–Bathurst Titan from the Quebec Major Junior Hockey League won their first Memorial Cup, defeating the host Regina Pats 3–0 in the championship game.

The three league commissioners, David Branch (OHL), Gilles Courteau (QMJHL), and Ron Robison (WHL), observed on the committee which was chaired by CHL legal counsel Gord Kirke.

[4][5] Formal bids to host event were put forth by the Hamilton Bulldogs, Oshawa Generals, and the Regina Pats.

[4] Previously, the Kelowna Rockets and the Ottawa 67's had shown interest in bidding for hosting duties, but withdrew before the presentation process.

[8][9] Hamilton's home arena was FirstOntario Centre with a capacity of 17,383 people, and the host site of the 1990 Memorial Cup.

The host team in 1990 was the Dukes of Hamilton, but they withdrew from playing in the Cup due to a poor regular season.

It included wheat sheaves symbolic of the Canadian Prairies where Regina is located, and the poppy to honour the fallen soldiers to whom the Memorial Cup is dedicated.

[11] The CHL and Canada Post produced a 100th anniversary postage stamp, released on May 18, 2018, which featured two Regina players from the inaugural 1919 Memorial Cup.

The 100th anniversary logo was also worn as a patch by all players and on-ice officials, for the duration of the 2017–18 season commencing on Remembrance Day.

[13] Don Cherry was named an honorary chairman of the 100th anniversary celebrations, and the CHL announced that the Memorial Cup would tour across Canada during the 2017–18 season, beginning on November 18, 2017.

[15] The Cup's tour began at CFB Borden and the Santa Claus parade in Barrie,[16] and later visited Niagara Falls and Fort George.

[15] The CHL held an online vote to select a "team of the century" from the previous 99 Memorial Cup champions, and posted historical photos, rosters, and tournament summaries for each season.

[17][18] The 2005 London Knights were announced as the "team of the century" during the second period of the final game in the 2018 Memorial Cup.

[19][20] The 2018 Memorial Cup tournament began on May 17, 2018, with the opening ceremonies hosted by Brent Butt and Adam Growe at Mosaic Stadium.

Musical acts included a tribute to the Humboldt Broncos bus crash by the Regina Symphony Orchestra, and other performances by Jess Moskaluke, Chad Brownlee, and the Eagles.

[31] Playoffs bracket[31] Rosters as listed on the Memorial Cup web site for Regina,[32] Acadie–Bathurst,[33] Hamilton,[34] and Swift Current.

)[37] The first round-robin game featured the host team Regina Pats, versus the OHL champion Hamilton Bulldogs.

Robert Thomas scored to give Hamilton a first-period lead, before Sam Steel tied the game for Regina on a power play goal in the first minute of the second period.

[42] Late in the third period the Titan had a power play, but Pouliot made a coaching decision to not pull out the goaltender for an extra attacker.

The Broncos scored a power play goal of their own with 50 seconds remaining in the game, but the comeback fell short in a 6–5 victory for Regina.

Round-robin standings[45] The Acadie–Bathurst Titan advanced directly to the championship game, based on the tie-breaking procedure for a three-way tie.

Goaltender Evan Fitzpatrick posted a 28-save shutout for the Titan, which last happened in the championship game during the 2005 Memorial Cup.