The document lists notable events that occurred each year from 1991 to 1999. In 1991, Freddie Mercury died of AIDS and Pablo Escobar was killed. In 1993, Kurt Cobain committed suicide. In 1994, the first computer generated film Toy Story was released. In 1996, Tupac Shakur was killed. In 1997, Dolly the sheep became the first cloned animal. In 1998, Bill Clinton was impeached for perjury and obstruction of law. In 1999, Hugo Chavez was elected president of Venezuela.