Winter Olympic Games records were set in speed skating largely due to the introduction of the clap skate. The 2002 Winter Olympics were held in Salt Lake City, United States, hosting 77 nations and 2,399 athletes in 78 events in 7 sports. These Games were the first to take place since the September 11 attacks of 2001, which meant a higher degree of security to avoid a terrorist attack. The opening ceremony saw signs of the aftermath of the events of that day, including the flag that flew at Ground Zero, NYPD officer Daniel Rodríguez singing "God Bless America", and honour guards of
Winter Olympic Games been selected to host a Winter Olympics and it was the second time the Olympics were held in the country overall, after the 1988 Summer Olympics in Seoul. The Games took place from 9 to 25 February 2018. More than 2,900 athletes from 92 countries participated in 102 events. The Olympic Stadium and many of the sports venues were situated in the Alpensia Resort in Daegwallyeong-myeon, Pyeongchang, while a number of other sports venues were located in the Gangneung Olympic Park in Pyeongchang's neighboring city of Gangneung. The lead-up to the 2018 Winter Olympics was affected by the tensions between