| 1966 | Formation of the National Reining Horse Association |
| 1966 | National Reining Horse Association incorporated November 30 |
| 1966 | First NRHA Futurity held in Columbus, Ohio |
| 1966 | NRHA initiated the Sire & Dam Program |
| 1980 | First REINER magazine published |
| 1980 | First NRHA Maturity (Derby) held in Raleigh, NC |
| 1983 | First NRHA Superstakes in Northbrook, IL |
| 1983 | First $100,000 NRHA Futurity winner - Craig Johnson on Lucky Bay Glo |
| 1985 | NRHA Derby moved to St. Paul, MN |
| 1985 | Initiated the new Judging System, which began the scoring of maneuvers rather than the assessment of the overall run |
| 1986 | Futurity moved from Columbus, OH to Oklahoma City, OK |
| 1986 | Arbuckle Trophy first awarded |
| 1986 | NRHA establishes Hall of Fame |
| 1986 | Added Youth classes to NRHA competition |
| 1988 | The Americana was the first show in Europe to be NRHA approved |
| 1989 | NRHA introduced the first annual Intercollegiate Judging Contest |
| 1989 | First Competition License Issued |
| 1991 | Instituted Affiliate Championship competition |
| 1993 | NRHA initiates Rookie of the Year Award to honor Rookie Reining competitors |
| 1994 |
Hollywood Jac 86 named as NRHA's first Million Dollar Sire |
| 1994 | Derby moved to Oklahoma City, OK |
| 1995 | Initiated the first Youth Team Tournament at the Derby in Oklahoma City |
| 1995 | Bill Horn was named as the first Million Dollar Rider at the NRHA Futurity in Oklahoma City, OK |
| 1996 |
Be Aech Enterprise named NRHA's second Million Dollar Sire |
| 1997 | Tim McQuay named NRHA's second Million Dollar Rider |
| 1998 | Hollywood Dun It named NRHA's third Million Dollar Sire |
| 1998 | Reining accepted as first western discipline of the United States Equestrian Team |
| 1998 | Topsail Cody named NRHA's fourth Million Dollar Sire |
| 1998 | NRHA office moved to new Oklahoma City location |
| 1999 | Smart Chic Olena named NRHA's fifth Million Dollar Sire |
| 2000 | Hollywood Dun It becomes NRHA's first Two Million Dollar Sire |
| 2000 | Reining accepted by Federation Equestre International (FEI) for International Competition |
| 2000 | First NRHA Futurity $150,000 winner - Todd Sommers on Von Reminic |
| 2000 | First Derby Spotlight Sale |
| 2000 | Membership topped 10,000 |
| 2000 | First Pfizer/NRHA Gelding Incentive (Open and Non Pro) |
| 2000 | First NRHA approved Prime Time classes at Futurity |
| 2001 | Topsail Whiz named Million Dollar Sire |
| 2001 | National Reining Horse Youth Association formed |
| 2001 | Reining Horse Sports Foundation was approved as a charitable organization |
| 2001 | First runoff in NRHA Open Futurity Finals; RR Star became the first APHA horse to win the NRHA Open Futurity; Andrea Fappani became first International rider to win the NRHA Open Futurity |
| 2002 | Shining Spark becomes NRHA Million Dollar Sire |
| 2002 | Reining approved for the World Equestrian Games, Jerez, Spain |
| 2002 | NRHA Intercollegiate Reining Championship debuted at NRHA Derby |
| 2002 | First Rookie Day to benefit the RHSF Crisis Fund - Ardmore, OK |
| 2002 | First European Affiliate Championship held in Balzano, Italy, Team winner-Italy |
| 2002 | Hollywood Dun It becomes first Three Million Dollar Sire |
| 2002 | Smart Chic Olena becomes a Two Million Dollar Sire |
| 2002 | First-ever Reining Team medalists at World Eqestrian Games - US - Gold, Canada - Silver, Italy - Bronze |
| 2002 | First-ever Reining Individaul medalists at WEG - Shawn Flarida US - Gold, Tom McCutcheon US - Silver, Shawna Sapergia Canada - Bronze |
| 2003 | RR Star becomes first horse to win the NRHA Futurity and the NRHA Derby |
| 2003 | RR Star and Custom Pistol become the first horses to earn over $200,000 |
| 2003 | Topsail Whiz becomes Two Million Dollar Sire |
| 2003 | NRHA Futurity Open Champion guaranteed $175,000 |
| 2003 | Shawn Flarida becomes third NRHA Million Dollar Rider |
| 2003 | Duane Latimer becomes fourth NRHA Million Dollar Rider |
| 2003 | Duane Latimer rides The Great Whiz to first-ever $175,000 Open Futurity pay check |
| 2004 | Prime Time Rookie debuts |
| 2004 | Prime Time Open Division debuts |
| 2004 | Rookie Youth class debuts |
| 2004 | Gelding Incentive classes debut |
| 2004 | Cowboy Central Saddle Series debuts |
| 2004 | North American Affiliate Championships debut |
| 2004 | North American Freestyle Championships debut |
| 2004 | Reminic becomes Million Dollar Sire |
| 2004 | Eleuterio Arcese becomes first European member inducted into Hall of Fame |
| 2004 | Gallo Del Cielo becomes Million Dollar Sire |
| 2004 | Topsail Whiz becomes second Three Million Dollar Sire |
| 2004 | Hollywood Dun It becomes first Four Million Dollar Sire |
| 2004 | Smart Chic Olena becomes third Three Million Dollar Sire |
| 2005 | Electronic Reiner debutes to members and non members |
| 2005 | NRHA Futurity marks 40th Anniversary |
| 2005 | Custom Crome becomes NRHA Million Dollar Sire |
| 2005 | Dell Hendricks becomes NRHA Million Dollar Rider |
| 2005 | Craig Schmersal becomes NRHA Million Dollar Rider |
| 2005 | Tim McQuay becomes the first Two Million Dollar Rider at the NRHA Futurity in Oklahoma City, OK |
| 2005 | Rookie Professional class debuts |
| 2006 |
Kelly Zweifel, Italy, riding Master Snapper owned by Impresa Agricola Cuoghi, Italy, becomes the first woman to win one of NRHA's major events - the NRHA Derby |
| 2006 | Kelly Zweifel, riding Master Snapper owned by Impresa Agricola Cuoghi, becomes the first entry to win the NRHA Derby Open, Intermediate Open and Limited Open divisions at one Derby |
| 2006 |
Impresa Agricola Cuoghi's Master Snapper, ridden by Kelly Zweifel, becomes the first European (Italy) bred, born, raised and trained horse to win the NRHA Derby |
| 2006 | Topsail Whiz becomes NRHA's second Four Million Dollar Sire |
| 2006 | Italian Reining Horse Association Derby NRHA approved for the first time |
| 2006 | ANCR Brazil holds first NRHA-approved show in Brazil |
| 2006 | South African Reining Horse Association holds first NRHA approved show |
| 2006 |
Team Medalists at 2006 FEI World Equestrian Games, Aachen, Germany - Gold - US, Silver - Canada, Bronze - Italy |
| 2006 |
Individual Medalists at 2006 FEI World Equestrian Games, Aachen, Germany, (following a runoff for the Gold) - Gold - Duane Latimer (Canada), Silver - Tim McQuay (USA), Bronze - Aaron Ralston (USA) |
| 2006 | Andrea Fappani Becomes Eighth Million Dollar Rider |
| 2006 | Shawn Flarida Becomes Second NRHA Two Million Dollar Rider |
| 2006 | First National Associate Affiliates are Reining Canada, Austrian RHA, Dutch RHA, NRHA Belgium, Italian RHA, NRHA of Israel, NRHA of Switzerland, Swedish RHA, UK Reining, ANCR Brazil, NRHA of Australia |
| 2006 | First Affiliates to Join the International Affiliate Program are ANCR Brazil, Austrian Reining Horse Association, Dutch Reining Horse Association, Italian Reining Horse Association, NRHA Belgium, NRHA of Israel, NRHA of Switzerland and Reining Canada |
| 2006 | Boomernic Becomes Twelfth Million Dollar Sire |
| 2006 | Non Pro Futurity First Time Trainer Award Instituted |
| 2006 | NRHA Futurity Youth Division Debuts |
| 2006 | Tom McCutcheon becomes ninth NRHA Million Dollar Rider |
| 2007 | Prime Time Non Pro Division Becomes Eligible for NRHA Top Ten/World Championships |
| 2007 | Youth (10 & Under Short Stirrup) class debuts |
| 2007 | Unrestricted Youth class debuts |
| 2007 | First NRHA-approved event in South Dakota. (Hosted by the Cowboy States Reining Horse Association) |
| 2007 | Hollywood Dun It becomes first NRHA Five Million Dollar Sire |
| 2007 | Grays Starlight becomes Million Dollar Sire |
| 2007 | First NRHA approved show in Poland |
| 2007 | Smart Chic Olena becomes a Four Million Dollar Sire |
| 2007 |
Mandy McCutcheon becomes first non pro and first woman to achieve Million Dollar Rider status, becoming NRHA's tenth Million Dollar Rider. |
| 2007 | First Australian Affiliate Championship held in Gatton, Queensland, Australia |
| 2007 | Online Show Approvals posted on website |
| 2007 | First NRHA Australian Affiliate Championship held in Gatton, Queensland, Australia |
| 2007 | First Board of Directors meeting webcast |
| 2007 | Inaugural NRHA Dale Wilkinson Lifetime Achieve-ment Award presented to Sally Brown |
| 2007 | Gallo Del Cielo achieves Two Million Dollar Sire Status |
| 2007 | First Mexico Affiliate Championship held in Monterrey, Mexico |
| 2007 | Gunner becomes Million Dollar Sire |
| 2007 | Topsail Whiz achieves Five Million Dollar Sire Status |
| 2007 | Lance Griffin becomes first Million Dollar Owner |
| 2007 | Tim McQuay becomes second Million Dollar Owner |
| 2008 | Nu Chex To Cash becomes NRHA Million Dollar Sire |
| 2008 | Brent Wright achieves Million Dollar Rider Status |
| 2008 | Wimpys Little Chic & Shawn Flarida become the 1st horse/rider combination to win the NRHA Open Futurity, NRBC Open, and NRHA Open Derby consecutively. |
| 2008 | North American Junior Young Rider Championship includes Reining for the first time. |
| 2008 | Inaugural FEI Reining World Championship held in Manerbio, Italy |
| 2008 | Youth Non Pro Division added to the NRHA Derby |
| 2008 | NRHA Futurity entries reached an all-time high with 945 |
| 2008 | NRHA Derby hosts the first USEF National Youth Reining
Championship and U.S. NAYRC Selection Trial |
| 2008 | The NRHA Reiner wins awards in five categories at the American
Horse Publications Awards Banquet |
| 2008 | 50,000 NRHA Competition license issued |
| 2008 | NRHA Derby breaks the $600,000 purse mark |
| 2008 |
Topsail Whiz becomes NRHA's #1 Leading Sire |
| 2008 | Randy Paul becomes Million Dollar Rider |
| 2008 | Craig Johnson achieves Million Dollar Rider status |
| 2008 | Smart Like Juice is a Million Dollar Sire |
| 2008 | Wimpys Little Step becomes a Million Dollar Sire |
| 2008 | Shawn Flarida is the first Three Million Dollar Rider |
| 2008 | Arcese Quarter Horses USA achieves Million Dollar Owner status |
| 2008 | Peppys Superboom purchased for $240,000 to be the highest selling
horse in NRHA/Markel Insurance Sale history |
| 2008 | Father/Daughter Tim McQuay and Mandy McCutcheon won the Open and
Non Pro Divisions of the NRHA Futurity |
| 2008 | Nearly 3,000 foals are nominated to the inaugural year of the
NRHA Futurity / Derby Nomination Program |
| 2009 | NRHA holds the first NRHA European Futurity & Show in Kreuth, Germany |
| 2009 | Topsail Whiz's accomplishment as the first horse to achieve 6 Million Dollar Sire |
| 2009 | Custom Crome becomes a Two Million Dollar Sire |
| 2009 | Wimpys Little Chic becomes first horse to break the $400,000 mark in NRHA Lifetime Earnings. |
| 2009 | First NRHA Derby Youth Non Pro division initiated |
| 2009 | Colleena Chic Olena is noted as NRHA's Leading Dam with $546,185 in offspring earnings |
| 2009 | NRHA welcomes its 60,000th member |
| 2009 | Smart Starbuck becomes an NRHA Million Dollar Sire |
| 2009 | Smart Chic Olena becomes the third NRHA Five Million Dollar Sire |
| 2009 | Lil Ruf Peppy becomes an NRHA Million Dollar Sire |
| 2010 | Gunner becomes an NRHA Two Million Dollar Sire |
| 2010 | Craig Schmersal becomes the third NRHA Two Million Dollar Rider |
| 2010 | Todd Sommers becomes an NRHA Million Dollar Rider |
| 2010 | Magnum Chic Dream becomes an NRHA Million Dollar Sire |
| 2010 | First European Programs Advisor position instituted |
| 2010 | Wimpys Little Chic becomes the first horse to exceed $500,000 in NRHA earnings ridden by Shawn Flarida and owned by Arcese Quarter Horses USA. |
| 2010 | Rosanne Sternberg becomes NRHA's fourth Million Dollar Owner. |
| 2010 | Entry Level Programs (Category 10) made its debut. |
| 2010 | First-ever Green Reiner 1 Buckle winner announced – Steve Tyner |
| 2010 | Wimpys Little Step becomes youngest Two Million Dollar Sire to date |
| 2010 | Andrea Fappani earns NRHA Two Million Dollar Rider status |
| 2010 | Gallo Del Cielo achieves NRHA Three Million Dollar Sire status |
| 2010 | Shawn Flarida becomes first NRHA Four Million Dollar Rider |
| 2010 | Topsail Whiz becomes NRHA's first Seven Million Dollar Sire |
| 2010 | Team Medalists at Alltech FEI World Equestrian Games, Lexington, Kentucky: Gold - USA, Silver - Belgium, Bronze - Italy |
| 2010 | Individual Medalists at Alltech FEI World Equestrian Games, Lexington, Kentucky: Gold - Tom McCucheon & Gunners Special Nite (USA), Silver - Craig Schmersal & Mister Montana Nic (USA), Bronze - Duane Latimer & Dun Playin Tag (Canada) |
| 2010 | NRHA hosts first "Ride a Reiner" at Alltech FEI World Equestrian Games, Lexington, Kentucky |
| 2010 | First NRHA $100,000-added World Championship Open Shootout held at NRHA Futurity & Adequan® North American Affiliate Championship Show |
| 2011 | Conquistador Whiz becomes NRHA's 20th Million Dollar Sire and the first third generation Million Dollar Sire (both his sire Topsail Whiz and grandsire Topsail Cody also earned Million Dollar status) |
| 2011 | 2011 Rowdy Yankee reaches Million Dollar Sire milestone |
| 2011 | Gunner becomes a Three Million Dollar Sire |
| 2011 | First NRHA Cowtown Classic, including NRHA's first Novice Horse Derby, Pre Futurity, and Non Pro Shootout held in Fort Worth, Texas. |
| 2011 | West Coast Whiz becomes Million Dollar Sire |
| 2011 | Wimpys Little Step becomes a Three Million Dollar Sire |
| 2011 | Topsail Whiz becomes NRHA’s first Eight Million Dollar Sire |
