Women led the medal charge for the British team with three historic golds and a bronze.
A dream came true for boxer Nicola Adams as she entered the record books by becoming the first Olympic woman boxing champion.
Rider Charlotte Dujardin made history by winning her second gold medal of London 2012 in the dressage which also saw a bronze for Laura Bechtolsheimer.
And in a dramatic late-night triumph, 19-year-old Jade Jones won Britain's first taekwondo gold medal.
The victories take Team GB's medal haul at London 2012 to 52 - 25 gold, 13 silver and 14 bronze.
Adams, a one-time extra in soaps such as EastEnders and Coronation Street, was roared to victory by chants of "Nicola, Nicola, Nicola" from 10,000 fans in London's ExCeL arena. Adams said her celebrations would "definitely" go on for a few days, adding: "I think I just want to go to Nando's, actually."
The 29-year-old sealed her win with an Ali shuffle as she comprehensively overcame China's double world champion Ren Cancan in front of a crowd including the Duchess of Cambridge.
Adams, from Leeds, said: "It's a dream come true for me. I have been dreaming about this since I was 12 years old and the moment's finally come out here and I have finally got my gold medal for Great Britain."
The victory for Dujardin in the individual dressage means she joins Dame Kelly Holmes, Rebecca Adlington and Laura Trott as elite women who have won two golds in one Games. The individual success follows a gold earlier this week for the dressage team of Dujardin, Bechtolsheimer and Carl Hester.
Dujardin, 27, from Newent, Gloucestershire, said: "That was unbelievable. It is always something I've known the horse could achieve, but I didn't really know how I was going to find the atmosphere and the expectation."
Jones, from North Wales, has been cheered on by friends and family in Flint Sports and Social Club, where her fights were shown on a big screen. Weeping with joy, Jones celebrated by grabbing a Union flag and a Welsh dragon and running around the arena at the ExCeL. She said: "It doesn't feel real, it feels crazy ... it has just been amazing."