Man United took their chance to go top of the Premier League for the first time in two years (after a full round of matches) following Man City's 4-1 thrashing at Tottenham.
Louis van Gaal's side were briefly top of the league after beating Aston Villa in their second game of the season, but they were replaced in pole position the following day. This achievement will be much more satisfying.
United fans were understandably buzzing on Twitter, with the best of the reaction below...
https://twitter.com/premierleague/status/647809411055026176
https://twitter.com/Football__Tweet/status/647802144750501889
There was plenty of love for Anthony Martial...
https://twitter.com/BeardedGenius/status/647805959633530880
https://twitter.com/PeteHall86/status/647803070160572416
While others toasted Van Gaal...
https://twitter.com/Unitedology/status/647802782574071808
https://twitter.com/fizzer18/status/647801839820369920
https://twitter.com/hesham786/status/647801865883766785