1999 UNAM strike the closure. On February 1, 2000, students and workers opposed to the strike clashed with CGH and their supporters. This incident occurred when 200 students attempted to enter an UNAM-owned and run high-school, not on the main campus, to try to restart classes. 400 federal police officers were sent to open a way through the barricades, which they accomplished with many injuries, and even some fatal ones. On February 7, 2000, federal police stormed the university's main campus, ending the takeover. A total of 632 people were arrested during that ultimate day of violent clashes. 1999 UNAM strike The 1999-2000
Mexicans in 1936), were established during the first half of the 20th century. Most of the new research institutes were created within UNAM. Twelve institutes were integrated into UNAM from 1929 to 1973. In 1959, the Mexican Academy of Sciences was created to coordinate scientific efforts between academics. In 1995 the Mexican chemist Mario J. Molina shared the Nobel Prize in Chemistry with Paul J. Crutzen and F. Sherwood Rowland for their work in atmospheric chemistry, particularly concerning the formation and decomposition of ozone. Molina, an alumnus of UNAM, became the first Mexican citizen to win the Nobel Prize in science.