Wikipedia:WikiProject University of Pittsburgh/On this day/April 10
![Great Fire of 1845](http://upload.wikimedia.org/wikipedia/en/thumb/6/60/Pittfire.jpg/75px-Pittfire.jpg)
- (1845) The Great Fire of 1845 burns 20 square blocks of Pittsburgh, including the university, destroying much of its early records.
- (2005) The University of Pittsburgh hosts a celebration of 50 years of the Pitt professor Jonas Salk and his polio vaccine.