The first home match was played against New South Wales from Australia at the Claudelands Showground, losing 11 to 28.

In 1925 the Rugby Park was opened, and in 1928 Waikato adopted their now famous colours of red, yellow and black.

In 1951 Waikato successfully challenged for the Ranfurly Shield, defeating North Auckland 6 points to 3.

The country had never seen anything like this before, Christchurch was invaded by thousands of Mooloo supporters who were led by the president at the time, Horace 'Cal' Calcott.

[1] Arthur Stone, as a nineteen year old scored the only try in Waikato's Ranfurly Shield challenge against holders Auckland in 1980.

Arthur Stone intercepted an Auckland pass and scored in the left hand corner.

Waikato became the first Union to win the National Provincial Championship (NPC) when the format included semi-final and finals structure for the 1992 season.

1993 was also very successful for Waikato; winning back the Ranfurly Shield with a 17 to 6 victory over Auckland, and making it to the semi-finals of the NPC, only to be defeated by Otago.

Under the new Air New Zealand Cup format, Waikato became the first side to win the competition, defeating Wellington 37–31 in the final.

In 2007 Waikato began with wins over Manawatu, Southland and Counties Manukau before defeating North Harbour 52–7 in a Ranfurly Shield Challenge.

However, they defeated Auckland 34–13 at Waikato Stadium and wins over Counties Manukau, Otago and Taranaki saw the Mooloo men reach the quarter-finals, where they once again lost to Hawkes Bay.

Waikato began the 2009 like their previous season before defeating Counties Manukau, Hawkes Bay, Wellington, Taranaki, North Harbour, Otago and Northland to finish 6th.

Waikato would defeat Bay of Plenty and Taranaki to survive relegation and finish 5th like the previous season.

Their bright spot was beating Wellington in the capital for the first time since 2002 and winning other matches against North Harbour, Counties Manukau and Bay of Plenty to finish 6th and avoid relegation to the championship 2015 was another dismal season for Waikato having lost to Tasman 20-35 (Waikato Stadium) then they beat Manawatu 28-21 (Central Energy Trust Arena) and another victory over Bay of Plenty 43-10 (Tauranga Domain) and then they lost to Auckland 28-50 (Waikato Stadium) and then they beat Southland 30-25 (Waikato Stadium) afterwards, they were blown away by a 0-41 loss to Taranaki (Yarrow Stadium), and then they lost to Canterbury 17-18 (AMI Stadium) and then they lost to Wellington 14-21 (Waikato Stadium) and then they lost to Counties Manukau 9-30 (Waikato Stadium) but they ended their season on a good note after snatching the Ranfurly Shield of Hawke's Bay (36-30), Waikato came 6th in the Premiership 2016 was better for Waikato as they finished 5th, but they opened with a 19-24 loss to Tasman, and then they retained the Shield after beating North Harbour 26-15, they retained the Shield again after beating Manawatu 19-10, they then beat Auckland at Eden Park 35-32, and then they drew with Taranaki for the Shield 20-20, and then they had a repeat of 2015 against Counties Manukau when they lost a 26-35 match in Pukekohe, they lost the Shield to Canterbury 23-29, and then lost to Northland 27-48, they defeated Hawke's Bay 46-22 and beat Wellington 28-24 In 2017, Waikato began with a loss to Taranaki (34-29) but struck back with a win of Counties Manukau (33-21).

They got thrashed by Northland (37-7), punished by Manawatu (10-23) and struck by Wellington (10-24), rumbled by Canterbury (37-17), edged by North Harbour (11-13) and finished by Bay of Plenty (36-32).

Five Waikato players were involved in the combined side which lost 6–3 in front of a record crowd of more than 17,000.

Waikato was the first provincial Union to beat a touring South African team post World War II, defeating the Springboks 14 points to 10 in 1956.

Also during the 1980s, Waikato achieved a number of notable international victories, defeating Wales, Canada and Argentina in the latter years of the decade.

Waikato also completed a number of international victories during the 1990s, with wins over Canada, Australia, Western Samoa, Scotland and Italy.

[3] Unlike many professional sporting teams in the modern era, Waikato have always retained the traditional design of the jersey.

Every few seconds he revs his chainsaw to show his passion and love for the Waikato rugby team.

Construction began on the stadium in 2000; it was completed in 2001, and opened with a game between the Chiefs and Crusaders in the then Super 12.

This was due to the preponderance of All Blacks (players representing New Zealand) who came from North Harbour, Counties-Manukau and Auckland at the time.