Paul Hurst hailed his history makers after Grimsby reached the FA Cup quarter-finals with a shock 2-1 success over Premier League strugglers Southampton.
Gavan Holohan converted two penalties at St Mary's to fire the League Two visitors into the last eight of the competition for the first time since the Second World War.
Duje Caleta-Car pulled one back for the top-flight's bottom side but Town held on for a memorable victory to the delight of more than 4,200 travelling fans, setting up a trip to Brighton in the next round.