Olympics 2012: 8 Things You May Have Missed From Saturday's Games (VIDEOS)
Day eight of the London Olympics had fans on the edge of their seat (including the nail-biting Duchess Kate Middleton) as history was made and world records were shattered.
Team USA continued to dominate in swimming for the last day in the pool, but did they take home the gold?
Celebuzz has the rundown of Saturday's events:
1. Michael Phelps Ends Olympic Career with 18 Gold Medals
Going out with a bang, the most decorated Olympian of all time finished his final race -- the 4 x 100-meter medley relay -- with a gold medal. Phelps, who announced his retirement in May, nabbed four golds and two silvers during the London Games, totaling to an overall impressive 22 Olympic medals in his career.
2. Team USA Dominates in Women's 4 x 100-Meter Medley Relay
There must be something in the water. Like the men's swim team, American swimmers Missy Franklin, Rebecca Soni, Dana Vollmer and Allison Schmitt nabbed gold in the 4 x 100-meter medley relay. The ladies not only beat out silver medalist Australia by a margin of two seconds, but they also set a new world record with their time.
3. United States Swims Ahead of the Pack
Day eight marked the completion of the swimming program at the London Games and the United States dominated in the field, receiving a total of 30 medals (16 golds, 8 silvers, 6 bronzes) this year. Japan came in second with an overall 11 medals, while Australia and China tied in third with 10 medals each.
4. Serena Williams Wins Her First Olympic Gold Medal
American tennis player cinched her first gold medal and made history by becoming the second woman to ever complete a career Golden Slam -- winning all four tennis Grand Slam titles and an Olympic gold medal. She was also to the first player to achieve a Golden Slam in both singles and doubles tennis. Williams celebrated her 6-0, 6-1 win against Maria Sharapova by doing the now viral crip walk on the court.
5. The U.S. Men's Basketball Team Beats Lithuania... By a Hair
The U.S. men's basketball team had fans biting their nails when they trailed behind Lithuania during their game. Luckily, three-time Olympian LeBron James held off the opponent by scoring nine points in the final four minutes, leading the U.S. to a 99-94 victory.
6. Jamie Beyerle Gray Sets Two Olympic Records
American track and field star Jamie Beyerle Gray took home the gold in women's 50-meter sprint, setting two Olympic records in qualification and total points. Gray finished with a score of 691.9 points, clinched gold on her final shot with a 10.8 -- just 0.1 off what would have been perfect.
7. Team USA Finally Medals in Fencing Competition
Courtney Hurley, Kelley Hurley and Maya Lawrence took bronze as the U.S. women's epee team, nabbing the country's first medal in fencing for the London Games.
8. Double Amputee Advances to Semifinals in the 400-meter Dash
South African spinter Oscar Pistorius, a double amputee with carbon-fiber artificial limbs, stole the show when he qualified for the semifinals in the 400-meter dash. His time of 45.44 was enough to come in second in his heat, trailing behind only to Luguelin Santos of the Dominican. Pistorius is one of six Olympians to ever compete at both the Olympic and Paralympic games in the same year.