| April 4, 1974 |
Tennis plays first varsity match in Union women's athletics history |
| April 21, 1975 |
Softball wins first-ever game at Siena |
| May 1, 1975 |
Lacrosse plays first game against Russell Sage |
| October 8, 1975 |
Field Hockey plays first game at Castleton |
| October 22, 1975 |
Volleyball wins its first-ever game vs. Schenectady County CC |
| January 24, 1976 |
Basketball plays first game at Williams |
| September 21, 1981 |
Cross Country competes in first varsity race at Williams Invitational |
| November 21, 1981 |
Cross Country places sixth at inaugural NCAA D-III Championships |
| April 17, 1982 |
Outdoor Track competes in first varsity meet at Albany |
| May 24-25, 1982 |
Janice Glidden (Outdoor Track) is Union's first female individual representative at an NCAA Championship, placing ninth (3585 points) in heptathlon |
| September 28, 1982 |
Soccer plays first game at Siena |
| January 15, 1983 |
Indoor Track competes in first varsity meet at Dartmouth |
| October 22, 1983 |
Julie Miller (Tennis) wins NYSWCAA first-singles championship |
| November 21, 1983 |
Swimming wins first dual meet at St. Rose |
| December 1, 1987 |
Carolyn Zutell (Field Hockey) named an NFHCA All-American, the first female honoree in Union history |
| March 10, 1988 |
Swimming sends multiple qualifiers to the NCAA Championships for the first time |
| November 6, 1988 |
Field Hockey wins ECAC Mid-Atlantic Championship to cap 17-1 season |
| March 13, 1993 |
Julie Benker (Swimming) wins national championship in 100-meter backstroke, the first-ever for a Union student-athlete |
| Spring 1993 |
Susan Bassett (Swimming) named NCAA Div. III National Coach of the Year |
| October 4, 1997 |
Crew wins inaugural varsity 8 race at Head of the Mohawk Regatta |
| December 5, 1997 |
Swimming captures Union's first UCAA Championship |
| May 5, 1999 |
Lacrosse appears in NCAA Tournament for the first time |
| November 3, 1999 |
Soccer wins first NCAA Tournament game, the first NCAA win for any Union female team |
| November 27, 1999 |
Hockey plays first varsity game at Colgate |
| January 3, 2001 |
Missy Matusewicz (Soccer) name the program's first NSCAA All-American |
| October 12, 2002 |
Robin Romer (Basketball/Softball) is inducted as part of the inaugural class of the Union Athletics Hall of Fame |
| May 9, 2003 |
Softball makes first NCAA Tournament appearance, winning three games to reach the Cortland Regional final |
| October 11, 2003 |
Hockey plays first Division I game vs. Quinnipiac |
| October 29, 2003 |
Lauren Stellato (Tennis) wins a second straight NYSWCAA first-singles title |
| February 28, 2004 |
Basketball wins first UCAA Tournament championship to earn first NCAA Tournament appearance in program history |
| May 19, 2005 |
Julie Gawronski (Softball) named program's first NFCA first-team All-American |
| March 17, 2006 |
Erika Eisenhut (Basketball) named program's first WBCA first-team All-American |
| May 31, 2006 |
Erika Eisenhut named a CoSIDA Academic All-American in softball, making her one of two known NCAA student-athletes to earn three AAA honors (soccer, basketball) in the same season |
| March 10, 2007 |
Allie Cuozzo earns Indoor Track's first All-America honor in 800 meters |
| November 13, 2008 |
Volleyball wins its first NCAA Tournament game to earn its 36th victory, the most wins in a season in any sport in Union Athletics history |
| September 15, 2012 |
Golf plays first varsity event at NYU Fall Invitational |
| February 11, 2014 |
Amy Loya (Basketball) named to the WBCA Good Works Team |
| September 6, 2015 |
Caroline Roberto (Golf) shoots a program-record 78 at the St. Lawrence Invitational |
| April 28, 2017 |
Union wins the Novice 4 race at Liberty League Championships for first time |
| April 1, 2019 |
Jennifer Nutter (Swimming) awarded a Fulbright Scholarship to study biomechanics in Germany |
