IWS is renowned as being one of the continent's longest-running promotions, and one of hardcore wrestling's staunchest standouts, while evolving into a proving ground for young talent from Quebec, Ontario and Atlantic Canada.

Professional wrestling was banned from being performed on Dawson College property following the events of April 23, 1999, when SeXXXy Eddy and PCP Crazy F'N Manny introduced foreign objects in a multi-competitor match.

[citation needed] On May 18, at Freedom To Fight, The Green Phantom won his first IWS Heavyweight Championship in a 4-Way Elimination Match; defeating PCP Crazy F'N Manny, The Arsenal and SeXXXy Eddy.

On June 15, 2004 at Le SPAG, IWS held its 5th anniversary show "V", where Sid Vicious made his in-ring return from having suffered his near career-ending injury in WCW.

On June 3, 2006 at Un F'N Sanctioned, Sabu worked his (then) last independent match teaming with PCO defeating The Green Phantom and Dru Onyx, 48 hours prior to debuting on WWE Raw.

On September 22 at Blood, Sweat & Beers, Kevin Steen defeated Jay Briscoe, while The Dudley Boyz (renouncing to being billed as Team 3D during the event) and Franky The Mobster beat PCO, Paranoid Jake Matthews and Brick Crawford.

[citation needed] On March 22 at Know Your Enemies, Kevin Steen regained the IWS World Heavyweight Championship, defeating Max Boyer and El Generico in a 3-Way Match.

[citation needed] At Un F'N Sanctioned on March 28, 2015 at Corona Theatre, Mike Bailey defeated Hallowicked and Jesse Neal in a Triple Threat Match.

[citation needed] On September 5 at Scarred 4 Life, Vampiro returned to Montreal after 30 years since making his pro wrestling debut in Quebec, and Mike Bailey retained the IWS World Heavyweight Championship against Jack Evans.

[16] On March 5, 2016 at Un F'N Sanctioned held at Métropolis, Black Dynomite won the IWS World Heavyweight Championship in a 4-Way Match versus Rey Mysterio, Jack Evans and Mike Bailey.

[23] On March 3 at Un F'N Sanctioned, Matt Angel successfully defended the IWS Canadian Championship versus "Flying" Frank Milano and Rob Van Dam.

[28] On March 23, 2019, IWS celebrated its 20th anniversary with Un F'N Sanctioned at MTelus, where Tajiri with Mikey Whipwreck defeated Mike Bailey, while also featuring Little Guido, Wolfgang, Darby Allin and DJZ.

[49] On January 21, 2023 at Praise the Violence, Casanova Productions (Shayne Hawke and JT Producer, with Matt Viviani) defeated Black Quebecois for the IWS World Tag Team Championship, Benjamin Tull retained the IWS World Heavyweight Championship against Effy, while post-match Mance Warner attacked PCP Crazy F'N Manny in the name of GCW.

[50] On March 11, at IWS vs GCW: Un F'N Sanctioned, Mike Bailey defeated Gringo Loco, Tull successfully defended the IWS World Heavyweight Championship against Tony Deppen, while Nick Gage, Rina Yamashita, and Mance Warner defeated SeXXXy Eddy, Green Phantom, and PCP Crazy F'N Manny in a Fans Bring The Weapons Match.

[51][52] On May 27 at First Blood, Amazingly Sweet (Kristara and Alex Maze) defeated Casanova Productions for IWS World Tag Team Championship, while TDT beat Wasted Youth (Marcus Mathers and Dyln McKay).

[53] On July 15 at Scarred 4 Life, Jordan Oliver successfully defended his JCW World Championship against Karl Jepson, Maki Itoh beat Vanessa Kraven, while LuFisto and PCP Crazy F'N Manny defeated BUSSY (Allie Katch and Effy) at L'Olympia.

[56] On January 20, 2024 at Praise the Violence, Tull defeated James Stone, Karl Jepson and Rina Yamashita in an IWS World Heavyweight Championship Four Way Match.

[59] The promotion gained global exposure during the late '90s & early 2000s wrestling boom, by streaming video on demand on a monthly show entitled Bloodstream, and has been featured on Playboy TV, Fight Network & Viewer's Choice Canada on pay-per-view.

[74] FITE announced on June 8, 2023, that IWS joined the FITE+ SVOD subscription platform with both live and archived events, including its weekly show Bloodstream.

[77][78] On November 17, 2023, LuFisto with IWS and SPIRA, produced an all-women's spot show for the world premiere of Celles qui luttent, directed by Sarah Baril Gaudet, for the Montreal International Documentary Festival, held at the Cinémathèque québécoise.

[84][85][86][87][88][89][90][91][92] Former Canadian strongman, Maxim Lemire credited the IWS Training Centre in preparation to his WWE tryout, held during SummerSlam weekend in Toronto.

In the semi-finals, Eddy defeated The Arsenal in a Light Tube Ropes & Corners Match, where he cut an artery in his left forearm, thereby forfeiting the final 3-Way with Necro Butcher & Wifebeater.

[98][99] At Season's Beatings on December 18, Gran Akuma, Mike Quackenbush and Shane Storm defeated Jack Marciano and The Dark Breed (Hallowicked, UltraMantis Black).

On February 5, 2005 the IWS Tag Team Championship was first contested internationally in a 4-Way Elimination Match, when The Flying Hurricanes successfully defended their title at CZW Only The Strong: Scarred 4 Life held in Pennsylvania.

[108] On October 12, in response to WWE pulling Moustache Mountain from their scheduled appearance, IWS announced TDT vs a surprise tag team from AEW at One Night Only, on November 8 at Club Unity.

[119] As of February 11, 2025 As of February 11, 2025 IWS has been home to many notable independent wrestlers, such as Kevin Steen, El Generico, Pierre Carl Ouellet, 2.0 (Scott Parker & Shane Matthews), Vanessa Kraven, Super Smash Brothers (Player Uno & Stupefied), "Speedball" Mike Bailey, LuFisto, Franky The Mobster, Tabarnak De Team (Mathieu St-Jacques & Thomas Dubois), "Dirty" Buxx Belmar, Matt Angel, Shayne Hawke, Beef Wellington, The Green Phantom, Max Boyer & SeXXXy Eddy.

[135][136] On September 12, 2020, IWS was included in the tap based mobile game Indie Wrestler, produced by Arren Marketing Ltd., available on both Google Play and iOS Stores.

[137] An IWS and Production Triskel co-production entitled Eating A Beating (Manger une volée), starring Benjamin Tull, Mathieu Laframboise, Brad Alekxis and directed by Dany Foster, was scheduled for film festival circuit release throughout 2021.

Distributed by The Vladar Company, executive produced by Manny Eleftheriou and Andrew Stott, directed by Vlad Yudin, production began on March 2, 2024, at the IWS 25th anniversary event Un F'N Sanctioned.

[142] Mad Dogs, Midgets and Screw Jobs: The Untold Story of How Montreal Shaped the World of Wrestling; Bertrand Hébert, Pat Laprade.