Question: What year was the trophy, in which the 1989-90 Calgary Flames won, commissioned?

Context paragraphs:
1982–83 Calgary Flames season: The 1982–83 Calgary Flames season was the third season in Calgary and 11th for the Flames franchise in the National Hockey League.  Despite finishing the season below .500, the Flames had their best ever finish in the division standings, placing second in the Smythe Division.  In the playoffs, Calgary was able to avenge the previous season's defeat at the hands of the Vancouver Canucks by knocking off Vancouver in four games.  In the second round, the Flames met up with their provincial rivals, the Edmonton Oilers, for the first time.  The series would not be close, as Edmonton powered past Calgary in five games, including humiliating 10–2 and 9–1 victories over the Flames.

1985–86 Calgary Flames season: The 1985–86 Calgary Flames season was the sixth season in Calgary and 14th for the Flames franchise in the National Hockey League (NHL).  It was a banner season for the Flames, who overcame a franchise record eleven game losing streak to finish 2nd in the Smythe Division and captured the franchise's first Clarence S. Campbell Bowl as Campbell Conference champions.  In doing so, they became the first Calgary team to reach the Stanley Cup Finals since the Calgary Tigers in 1923–24.  The Flames season ended at the hands of the Montreal Canadiens, who defeated Calgary in five games in the final.

Sandy McCarthy: Sandy McCarthy was selected by the Calgary Flames in the third round (52nd overall) of the 1991 NHL Entry Draft.  He began playing hockey in the Georgian Bay Junior C Hockey League with the Midland Centennials and the Central Junior A Hockey League for the Hawkesbury Hawks.  As a power forward, McCarthy played for the QMJHL Laval Titan in the 1989–90 season before being drafted by the Calgary Flames.  He played one last season with the Titan.  His next stop was during the 1992–93 season for the IHL's Salt Lake Golden Eagles.  Sandy throughout his career with the Flames played the role as the enforcer, with many major fights.

List of Calgary Flames seasons: The Calgary Flames are a professional ice hockey team based in Calgary, Alberta, Canada.  The team is a member of the Pacific Division in the Western Conference of the National Hockey League (NHL).  The Flames arrived in Calgary in 1980 after transferring from the city of Atlanta, Georgia, where they were known as the Atlanta Flames from their founding in 1972 until relocation.  The 2015–16 season is the 35th season of play, and 36th year in Calgary.  It is the 44th year for the Flames franchise, and including the team's time in Atlanta, the Flames have won over 1400 regular season games, 12th overall in NHL history.

2009–10 Calgary Flames season: The 2009–10 Calgary Flames season was the 30th season for the Calgary Flames, and the 38th for the Flames franchise in the National Hockey League (NHL).  The Flames entered the season with a new head coach as Brent Sutter replaced Mike Keenan.  The year opened with the 2009 NHL Entry Draft on June 26–27, as the Flames selected defenceman Tim Erixon with their first selection.  2009 also marked the debut of the Flames' new American Hockey League affiliate, the Abbotsford Heat, as the franchise has relocated from the Quad Cities to the British Columbia city.

1980–81 Calgary Flames season: The 1980–81 Calgary Flames season was the first season in Calgary and ninth for the Flames in the National Hockey League.  The Flames moved to southern Alberta from Atlanta, Georgia, where the franchise was known as the Atlanta Flames for the first eight years of its existence.  The Flames became the third major-league team to represent the city of Calgary after the Calgary Tigers of the 1920s, and the Calgary Cowboys, which had folded in 1977.

1988–89 Calgary Flames season: The 1988–89 Calgary Flames season was the ninth season for the Calgary Flames and 17th for the Flames franchise in the National Hockey League (NHL).  They won their second consecutive Presidents' Trophy as the NHL's top regular season club and went on to win the first Stanley Cup championship in franchise history, defeating the Montreal Canadiens in the 1989 Stanley Cup Final.  Al MacInnis won the Conn Smythe Trophy as the most valuable player of the playoffs.

1981–82 Calgary Flames season: The 1981–82 Calgary Flames season was the second season in Calgary and tenth for the Flames franchise in the National Hockey League.  The follow-up to the Flames' first season in Calgary proved to be disappointing on the ice.  29 wins represented the Flames lowest total since the franchise's inaugural season in Atlanta.  Despite the poor record, Calgary finished in third place in the newly organized Smythe Division, earning a playoff match-up against the Vancouver Canucks.  The Flames returned to their Atlanta form, being swept out of the post-season in three straight games, as the Canucks began their run to the Stanley Cup Finals.

Stanley Cup: The Stanley Cup (French: "La Coupe Stanley" ) is the championship trophy awarded annually to the National Hockey League (NHL) playoff winner.  It is the oldest existing trophy to be awarded to a professional sports franchise, and the International Ice Hockey Federation (IIHF) considers it to be one of the "most important championships available to the sport".  Originally commissioned in 1892 as the "Dominion Hockey Challenge Cup", the trophy is named after Lord Stanley of Preston, then–Governor General of Canada, who donated it as an award to Canada's top-ranking amateur ice hockey club, which the entire Stanley family supported, with the sons and daughters playing and promoting the game.  The first Cup was awarded in 1893 to Montreal HC, and subsequent winners from 1893 to 1914 were determined by challenge games and league play.  Professional teams first became eligible to challenge for the Stanley Cup in 1906.  In 1915, the two professional ice hockey organizations, the National Hockey Association (NHA) and the Pacific Coast Hockey Association (PCHA), reached a gentlemen's agreement in which their respective champions would face each other annually for the Stanley Cup.  After a series of league mergers and folds, it was established as the "de facto" championship trophy of the NHL in 1926 and then the "de jure" NHL championship prize in 1947.

1989–90 Calgary Flames season: The 1989–90 Calgary Flames season was the tenth National Hockey League season in Calgary.  In defence of their first Stanley Cup championship, the Flames remained a dominant team on the ice, finishing atop the Smythe Division for the third consecutive year, and 2nd overall in the NHL with 99 points - two points behind the Boston Bruins.

Supporting paragraphs: 1989–90 Calgary Flames season Stanley Cup
Answer: 1892