Defending men's handball champions France were pushed all the way in a gripping Olympic final but retained their crown, edging a tight contest to beat unfancied Sweden 22-21.
After their victory in Beijing in 2008, the powerful French side went on to become the first men's team in history to hold the Olympic, world and European titles at the same time.
Britain's Anthony Joshua won the men's Olympic super heavyweight (+91kgs) gold on count-back against defending champion Roberto Cammarelle of Italy after their bout finished 18-all on Sunday.
Italy immediately appealed the decision after Joshua overturned a three-point deficit heading into the final round to clinch the narrowest of victories.
The United States Dream Team of NBA stars captured their second Olympic men's basketball gold medal in a row and the 14th overall for America by beating Spain 107-100 in Sunday's final.
The US multi-millionaire lineup of NBA elite claimed their fifth crown in the past six Olympics, improving to 62-1 since revamping the national team program after settling for bronze in 2004.
Laura Asadauskaite of Lithuania was crowned Olympic women's modern pentathlon champion on Sunday, the last of the 302 gold medals to be awarded at London 2012, with a new Olympic record.
Great Britain's Samantha Murray took the silver medal with Brazil's Yane Marques coming in third.
Croatia won their first Olympic Games gold medal in the men's water polo with an 8-6 win over Italy in the final.
Croatia remained unbeaten in the tournament to go one better than their silver medal at Atlanta in 1996 when they beat Italy in the semi-final.
Serbia won the bronze medal in the Olympic Games men's water polo competition with a come from behind 12-11 win over Montenegro.
Serbia clawed back from 11-8 down to net the next four goals unanswered to follow up their bronze medal win over Montenegro in Beijing four years ago.
World Cup-holders Russia came from two sets down to beat world champions Brazil in a thrilling Olympic men's volleyball final.
Russia looked down and out at two sets to love and 22-19 down in the third, but with the title in sight, Brazil wilted badly, squandering two match points along the way.
Before a sea of red, white and blue flags, Russia pursued their merciless dominance of rhythmic gymnastics by claiming their fourth consecutive Olympic group title.
The Russian team posted a score of 57.000 points to finish above Belarus and three-time world champions Italy at London's Wembley Arena, to the delight of the many Russian supporters present.
Russia's Egor Mekhontcev won the men's Olympic light heavyweight (81kg) gold with a count-back win over Kazakhstan's Adilbek Niyazymbetov after their bout finished 15-all.
Having lost in the semi-finals, Brazil's Yamaguchi Falcao and Ukraine's Oleksandr Gvozdyk won bronze medals.