April 21 history

1966

Kansas City, Missouri:
- Bob Geigel & Bob Brown defeated The Mongolian Stomper & Jerry Kozak  in a 2 out of 3 falls match

1967

Winnipeg, Manitoba, Canada:
- AWA World Tag Team Champions Harley Race and Larry Hennig defeated Verne Gagne and Don Leo Jonathon in a 2 out of 3 falls
  match to retain the titles
- Mad Dog Vachon beat Doug Gilbert
- Danny Hodge drew Bob Boyer
- Ernie Ladd beat The Alaskan
- Stan The Moose Mykatowich beat Bob Tuck

1972

St. Louis, Missouri:
- Johnny Valentine won a Texas Death Match over Big Bill Miller
- Harley Race no decision Jack Brisco
- Dick the Bruiser and Pat O’Connor defeated Pak-Son and Blackjack Lanza, with Bobby Heenan
- Rufus R. Jones defeated Angelo Poffo (sub for Hans Schmidt)
- Blackjack Mulligan, w/Bobby Heenan, draw Wilbur Snyder
- Moose Cholak (sub for Bob Roop) and Dan Miller defeated Ronnie Etchison and Billy Howard

1973

Tokyo, Japan:
- Giant Baba defeated Mark Lewin in the finals of the first ever  All Japan Pro Wrestling Champion Carnival tournament

1975

Tulsa, Oklahoma:
- Ken Mantell beat Scandor Akbar
- Bill Watts beat Cyclone Negro
- AWA Champion Verne Gagne beat Jerry Miller
- Dick Murdoch beat Grizzly Smith
- Pork Chop Cash drew Buck Robley
- Ted Heath beat Mitsu Hata
- Stan Hansen & Frank Goodish beat Johnny Eagle & Jay Clayton

1979

New Orleans, Louisiana:
- Mike George defeated Jerry Stubbs in for the Mid-South Wrestling Louisiana Heavyweight Title

1980

Madison Square Garden, New York City:
- Larry Sharpe defeated Mike Masters
- Greg Gagne pinned Jose Estrada
- Ken Patera defeated WWF IC Champion Pat Patterson to win the title
- WWF Tag Team Champion Sika defeated Dominic DeNucci via count-out
- Bruno Sammartino (w/ Arnold Skaaland) defeated Larry Zbyszko via count-out
- Ricky Steamboat & Jay Youngblood defeated Tor Kamata & Bulldog Brower
- WWF World Champion Bob Backlund (w/ Arnold Skaaland) pinned WWF Tag Team Champion Afa
- Hulk Hogan pinned Rene Goulet
- Andre the Giant pinned Bobby Duncum

Memphis, Tennessee:
- Ricky Morton beat Ken Wayne
- Sonny King beat David McGee
- Southern Tag Champs David Schultz & Dennis Condrey beat Steve Regal & Jimmy Valiant
- Southern Champ Paul Ellering beat Ken Lucas
- Ricky Morton, Ricky & Robert Gibson beat Wayne Ferris, Larry Latham & Danny Davis
- Bill Dundee beat Jimmy Hart & Ali Hassan via pinfall in a "handicap" match

1984

Greensboro, North Carolina:
- Larry Hamilton & Sam Houston defeated Gary Royal & Doug Vines
- Brian Adidas defeated Kurt Von Hess
- The Great Kabuki defeated Johnny Weaver
- Assassin #1 defeated Angelo Mosca
- Dusty Rhodes defeated Adrian Street via disqualification
- NWA Tag Team Champions Jack & Jerry Brisco defeated Pez Whatley & Jay Youngblood
- Jimmy Valiant defeated Paul Jones in a steel cage match
- Ricky Steamboat defeated Dick Slater for the United States Heavyweight Title

Charleston, South Carolina:
- Keith Larson defeated Ali Bey
- Brett Hart defeated Jeff Sword
- Angelo Mosca Jr. defeated Bobby Bass
- Cowboy Long defeated Little Tokyo
- Ernie Ladd defeated Rufus R. Jones
- Wahoo McDaniel & Mark Youngblood defeated Mid-Atlantic Heavyweight Champion Ivan Koloff & Don Kernodle

Milwaukee, Wisconsin:
- AWA Tag Team Champions Ken Patera & Jerry Blackwell beat The Crusher & Baron Von Raschke
- Fabulous Ones beat Jake Milliman & Jesse Ventura
- Blackjack Mulligan beat Nick Bockwinkel
- Mad Dog Vachon no contest Mr. Saito
- Curt Hennig drew Larry Zbyszko

1985

AWA Starrcage: St. Paul, Minnesota:
- Cage match: Sgt. Slaughter & Jerry Blackwell beat Sheik Adnan & King Tonga & Masked Superstar
- AWA Tag Team Champions Road Warriors beat Larry Hennig & Curt Hennig dq
- Verne Gagne & Greg Gagne beat Nick Bockwinkel & Mr. Saito
- Bob Backlund & Brad Rheingans beat Larry Zbyszko & Butch Reed
- Baron Von Raschke & Buck Zumhofe beat Jim Garvin & Steve Regal
- Jim Brunzell & Tonga Kid beat Billy Robinson & Bobby Duncum
- Steve Olsonoski & Tom Zenk beat The Alaskans

1986

Memphis, Tennessee:
- Tojo Yamamoto beat Tony Burton
- Pat Tanaka beat Pat Rose
- Paul Diamond drew Rip Rogers
- The MOD Squad beat Billy Joe Travis & Phil Hickerson
- Dutch Mantel beat Abdul Gaddafi in a "bullwhip on a pole" match
- Jerry Lawler, Jeff Jarrett, & Jos LeDuc NC Bill Dundee, Tony Falk, & Buddy Landel

1990

Hammond, Indiana:
- NWA US Tag Team Champion Tom Zenk defeated Jack Victory
- Mike Rotundo defeated Cactus Jack
- Stan Lane defeated Johnny Ace
- Paul Ellering defeated Teddy Long via disqualification
- The Road Warriors defeated Doom
- Bam Bam Bigelow defeated NWA US champion Lex Luger via disqualification

Charleston, South Carolina:
- Tommy Rich pinned Rip Morgan
- The Samoan Swat Team defeated Rocky King & Ranger Ross
- Mark Callous defeated Eddie Gilbert
- Abdullah the Butcher fought Kevin Sullivan to a double count-out
- Ricky Morton & Robert Gibson defeated Michael Hayes & Jimmy Garvin
- NWA Tag Team Champions Rick & Scott Steiner defeated NWA TV Champion Arn Anderson & Ole Anderson in a stretcher match

1991

Salisbury, Maryland:
- Brad Armstrong pinned Dutch Mantell
- Dustin Rhodes pinned Black Bart
- Brian Pillman pinned Mike Graham
- Bobby Eaton pinned Terrance Taylor
- WCW Tag Team Champions Rick & Scott Steiner defeated WCW TV Champion Arn Anderson & Master Blaster Steel (sub. for Barry
  Windham)
- WCW US Champion Lex Luger defeated Nikita Koloff via disqualification
- Ron Simmons pinned Butch Reed
- El Gigante defeated WCW World Champion Ric Flair via disqualification

1994

White Sulfur Springs, West Virginia:
- Brad Batten defeated James Alls
- Bart Batten defeated Inferno Fire
- SMW Heavyweight Champion the Dirty White Boy defeated Prince Kharis
- SMW Tag Team Champions Ricky Morton & Robert Gibson defeated Chris Candido & Inferno Brimstone (sub. for Brian Lee)
- SMW Heavyweight Champion the Dirty White Boy won a battle royal

1995

Spencer, West Virginia:
- Boo Bradley defeated D-Lo Brown
- SMW Tag Team Champions Al Snow & Unabom defeated Bart & Brad Batten
- SMW Heavyweight Champion Buddy Landel defeated Bobby Blaze via disqualification
- The Dirty White Boy & Tracy Smothers defeated New Jack & Mustafa

2002

WWE Backlash: Kansas City, Missouri:
- Big Show defeated Steven Richards
- Tajiri (with Torrie Wilson) defeated Billy Kidman to win the WWF Cruiserweight Championship
- Scott Hall (with X-Pac) defeated Bradshaw
- Jazz defeated Trish Stratus to win retain the WWF Women's Championship
- Brock Lesnar (with Paul Heyman) defeated Jeff Hardy
- Kurt Angle defeated Edge
- The Undertaker defeated Stone Cold Steve Austin
- Billy and Chuck (with Rico) defeated Maven and Al Snow to retain the WWF Tag Team Championship
- Hulk Hogan defeated Triple H to capture the Undisputed WWF World Heavyweight Title
- Eddie Guerrero defeated Rob Van Dam to win the Intercontinental Title

2008

Greenville, South Carolina:
- William Regal defeated CM Punk to win the King of the Ring

2018

Reseda, California:
- Trevor Lee pinned Flash Morgan Webster
- Joey Janela pinned Robbie Eagles
- Sammy Guevara pinned Taiji Ishimori
- Dezmond Xavier & Zachary Wentz beat Tyler Bateman & Brody King in a non-title match
- Bandido pinned Rey Horus
- Matt Riddle beat Timothy Thatcher
- Walter beat Keith Lee and Jonah Rock to win the PWG title