The Swans’ players have been tweeting their delight about the momentous achievement as they’ve put themselves in with a great chance of winning some silverware this season.
Elsewhere players across the country have been feeling the cold - it’s December lads, hardly a shocker - while others including Liam Ridgewell are getting ready for Christmas.
All this and more in Thursday’s Word on the Tweet.
"Great result last night, wasn't are best but we got result we wanted! #Semi's."
Swansea winger Wayne Routledge admits he and his team-mates weren’t at their best but is delighted to get through to the 'Semi’s'.
"Buzzing for the lads and fans semi finals here we come ... Was also nice to see some old faces .. Mark proctor, Steven pears, stu parnaby.. Seb Hines, Jason Steele .. Hope boro go up this season #goodluck."
Danny Graham is equally thrilled but was pleased to see some of his old Middlesbrough team-mates at the Liberty Stadium on Wednesday.
"Semi-Final!!!! Swansea 1-0 Middlesbrough.The dream continues..."
Michu’s fine career with the Swans continues as they advance to the semi-finals for the first time in their history.
"Jheeze its freezing!! Got my Russian fur hat on today!! Might have to wear it in training!! #Baltic."
Norwich winger Anthony Pilkington has to resort to drastic measures to keep himself warm.
"Wow, -3 on the car this morning! Don't suppose anyone likes this polar bear weather? layers on layers on layers in training today."
Defender Elliiot Bennett is not ashamed to admit he’ll be breaking out the long johns for training.
"Good morning ..it's freezing today!! On the way for treatments hope to be ready soon."
West Ham midfielder Yossi Benayoun is also feeling the cold down south as he fights his way back to fitness.
"Been and taken all the toys too the Salvation army for the under privileged kids, good deed done."
Hudderfield defender Anthony Gerrard gets into the Christmas spirit by donating to the Salvation Army. WOTT tips its hat to you Anthony, good on you.
"Need to get some more lights and decorations for the tree today, time for the kids to do there Christmas job #messy lol."
Shopkeepers beware as Liam Ridgewell decides to decorate his Christmas tree and put his kids to work. WOTT is just grateful he's found a more savoury use for his cash...
"A lot of people on their twitter bio put - 'the views expressed on here are my own' Is it a legal thing or are they all trying the same gag?"
Gary Neville may be a master of the TV studio but he hasn’t quite worked out Twitter yet. Give him time folks!
"Lion king was amizing #againagain."
Fulham defender Matthew Briggs is so excited about watching the Lion King he forgets how to spell.