Posh beat Leeds 2-0 in the first ever Football League meeting between the sides in front of a sell-out crowd at London Road.

George Boyd and Craig Mackail-Smith scored the goals at the beginning and end of the second half, but Ferguson believed collective brilliance won the day.

Ferguson said: "The lads were all magnificent. I couldn't be happier and it's easily my best day as a manager.

"To beat a side as good as Leeds is a wonderful achievement and it just shows how far we have travelled as a team."

Read Alan Swann's match report: Posh 2, Leeds 0 - How 'the mighty' have risen!
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"There's no doubt we deserved to win and the lads carried out the game-plan to perfection.

"We knew they were going to enjoy good spells of possession, but we kept our shape and our discipline, while always staying dangerous on the break.

"Obviously scoring so soon after the start of the second half was a boost, but we had chances in the first half as well.

"I expected them to come at us, but I was honestly never worried. We restricted them to long shots in the main, although Charlie Lee had to make a good tackle towards the end.

"I wasn't surprised we scored a second goal either. We played some great stuff on the break in the second half and I have to give credit to Shaun Batt in particular.

"I had a bit of a go at him and Dominic Green at half-time as they hadn't give us much and Shaun answered me back in the best possible way.

"For the first 15 minutes of the second half we were superb."

Posh have now recorded successive wins for the first time this season, but Ferguson will now work on keeping his players' feet firmly on the ground.

Ferguson added: "It's been a great couple of weeks for us. That was a massive win at MK Dons the previous week and this was a tremendous follow-up.

"But it's just six points, it's no good beating Leeds and then not getting something at Walsall next Saturday.

"I said to the players before the game that this could turn into the catalyst for the season and hopefully that will be the case."

Posh moved briefly into seventh place in the League One table, but finished the day in ninth place, two points off a play-off place.