100 Metres Butterfly World Record Set August 01, 2009 | 0 minutes, 8 seconds read On this day, in 2009 Michael Phelps sets world record in the 100 metres butterfly swimming event at the World Championships in Rome, Italy. August 1, 2009 Sport: Swimming Trivia What Are the Five Events That Make Up the Modern Olympic Pentathon? January 06, 2020 Can you name all 5 events in the Modern Olympic Pentathon? Which Nations Won the Gold, Silver and Bronze Medals the Last Time Baseball Was an Olympic Sport? January 06, 2020 The last baseball Olympics event was last played in the 2008 Summer Olympics in Beijing Sports in this article Swimming Tags in this article On This Day SportsEngine