Short answers, pulled from the story.
Queen formed in London in 1970. The founding members were Freddie Mercury on lead vocals and piano, Brian May on guitar and vocals, and Roger Taylor on drums and vocals. John Deacon joined on bass in February 1971 to complete the classic line-up.
"Bohemian Rhapsody" reached number one in the UK for nine weeks on its original 1975 release. It is the only single to have sold a million copies on two separate occasions and the only single to be the Christmas number one in four different years: 1975, 1976, 1991, and 1992.
Queen's 1981 compilation Greatest Hits is the best-selling album in UK chart history and has sold over 25 million copies worldwide. It is the only album to have sold more than seven million copies in the UK, and is certified nine times platinum in the US.
Freddie Mercury died on the 24th of November 1991, one day after publicly confirming his AIDS diagnosis in a prepared statement. The cause of death was bronchopneumonia, a complication of AIDS. His private funeral was held on the 27th of November in Kensal Green, West London, conducted according to the Zoroastrian faith of his family.
Queen performed at Live Aid at Wembley Stadium on the 13th of July 1985, in front of a sold-out crowd of 72,000 and a television audience estimated at 400 million. An industry poll in 2005 ranked it the greatest rock performance of all time. Mercury's sustained note during the call-and-response a cappella segment came to be known as "The Note Heard Round the World."
May and Taylor toured as Queen + Paul Rodgers from 2005 until May 2009, marking the first time Queen had toured since Mercury's death. Since 2011, they have toured as Queen + Adam Lambert, following Lambert's appearance on the American Idol season finale in 2009 alongside May and Taylor.