Chris Wilder was 'delighted' after seeing his side win for the second Tuesday in succession.
Goals from Caolan Lavery, Kieron Freeman, Jay O'Shea, with his first for the club and a late penalty from Paul Coutts saw United run out worthy 4-2 victors in Wiltshire, despite goals from Charlie Colkett and Ben Gladwin for the Robins.
Speaking in the aftermath of the win at the County Ground, Wilder reflected on three more points to his side's tally.
He commented: "I'm reliably told that was win number 1889, so that's special and we're made up with the result.
"We made it difficult for ourselves and Swindon scored two wonder strikes at the beginning of the second-half, but we should have put the game to bed by the break really.
"It was an excellent display in the opening 45 minutes we created chances, moved the ball excellently and apart from one cross Simon (Moore) was a spectator.
"But having got on level terms the game could have gone either way. We still had the best of the game though and thankfully we overcame what they threw at us and they did have a real go for their manager.
"We would have liked to keep a clean sheet but overall we're just delighted with the three points."
The manager praised Caolan Lavery who started the game and scored, before suffering with a hamstring niggle, whilst O'Shea's goal was deserved in the eyes of his boss.
Meanwhile, Mark Duffy (ankle) is expected to return for the weekend's home encounter against Charlton Athletic.
Wilder added: "Caolan came off with a tight hamstring, but he was causing them all sorts of problems with his pace. O'Shea has been patient and gets his rewards with a start and a goal.
"He has been excellent since he came in from Chesterfield and is doing exactly what we want of him.
"Duffy was really close, but I'm not going to risk anybody, the same applies with Jake Wright, both will be fine for the weekend."