Norwich secured a Premier League return - and moved within a point of the Championship title - by beating Blackburn 2-1 at a euphoric Carrow Road.
The Canaries knew they had one foot in the top flight before the game, needing only a draw, but made sure with a win that should have been far more comprehensive.
Goals from Marco Stiepermann and Mario Vrancic put Daniel Farke's side 2-0 up inside 20 minutes, only for Lewis Travis to pull one back immediately for the visitors.
But that was how it stayed to spark celebrations in East Anglia.
Sheffield United have all but secured promotion to the Premier League after a comfortable 2-0 win over already relegated Ipswich Town in Bramall Lane in the evening kick-off at Bramall Lane.
The win lifted the Blades to the top of the table, until Norwich City's 2-1 victory over Blackburn Rovers secured promotion to the Premier League.
But that's a secondary consideration as they are now six points clear of Leeds United in 3rd (they face an in-form Aston Villa tomorrow) with an intimidating goal difference advantage.
Republic of Ireland international Scott Hogan put Chris Wilder's side in front in the first half with Jack O'Connell making sure of the result 20 minutes from time.
Derby edged closer to sealing the final play-off place with a 2-0 win at 10-man Bristol City.
Frank Lampard's side kept their noses in front of closest rivals Middlesbrough, who also won, while City's hopes of a top-six finish were dealt a major blow.
Tom Lawrence's deflected shot gave Derby a half-time lead and the Robins were reduced to 10 men with half an hour remaining when Antoine Semenyo was shown a straight red card for his challenge on Tom Huddlestone.
Jayden Bogle added Derby's second with 13 minutes left to keep his side ahead of Middlesbrough on goal difference and with a game in hand.
Boro kept their play-off hopes alive heading into the final fixture next week after beating Reading 2-1 at the Riverside.
Tony Pulis' side struck twice before the interval through Lewis Wing and Britt Assombalonga's penalty, for Andy Yiadom's foul on George Saville, after Danny Loader had given Reading an early lead.
Alan Browne struck his 12th league goal of the season but Preston surrendered a two goal advantage at home to Sheffield Wednesday in Saturday's Championship encounter at Deepdale.
Jayden Stockley's header and Tom Lees' own goal put Preston 2-0 up at half-time before Barry Bannan reduced the deficit soon after the restart.
Alan Browne restored Preston's two-goal advantage just after the hour-mark, but Fernando Forestieri and Atdhe Nuhiu both struck with headers to haul the Owls level.
Wednesday defender Dominic Iorfa was sent off for his tackle on Darnell Fisher in the 80th minute.
Rotherham's 2-1 defeat at West Brom condemned them to relegation.
Clark Robertson headed Rotherham into the lead early in the second half and it appeared they would head into the final day with hope.
But Jay Rodriguez converted a 77th-minute penalty, after Michael Smith's foul on Dwight Gayle, and Rekeem Harper fired the Baggies' winner two minutes later to lift his side to within two points of Leeds, who play Aston Villa at home on Sunday.
FT| West Brom 2 v 1 Millers.— Rotherham United (@OfficialRUFC) April 27, 2019
You can see how much it means to the Millers, with four or five laid with heads in hands.
They've given everything this year, but unfortunately it hasn't been enough.
Chants of 'Rotherham 'til I die' ring out from the away end. #rufc
Martin O'Neill's Nottingham Forest climbed one place to 10th after winning 1-0 at QPR thanks to Iran striker Karim Ansarifard's solitary striker 10 minutes into the second period.
QPR striker Nahki Wells' late penalty was saved by Forest goalkeeper Costel Pantilimon.
Swansea let slip a 2-0 lead as they were held 2-2 by Hull at the Liberty Stadium.
Oli McBurnie's 22nd and 23rd goals of the season put Swansea in control before Hull hit back through Jarrod Bowen and Nouha Dicko, who levelled in the 84th minute.
Millwall clinched a vital point in their bid to stave off relegation by drawing 0-0 at home against Stoke, for whom James McClean hit the crossbar in a lunchtime kick-off at the Den.
The Lions, who have two games left, are four points ahead of Rotherham and cannot be overhauled.
Birmingham were held 1-1 at home by Wigan, who equalised through Nick Powell in first-half stoppage time after Lukas Jutkiewicz's early opener.
Relegated Bolton's final home game of the season against Brentford was postponed after their players went on strike in protest at unpaid wages.