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1861
Rensselaer Institute is officially renamed Rensselaer Polytechnic Institute. Additional requirements for the civil engineering degree extends the course to four years.
1862
The Great Troy Fire destroys the Infant School Property.
1864
The Main Building is completed on 8th St.
Theta Xi is founded at R.P.I. on April 29th.
1865
John F. Winslow becomes president.
The Transit, a student yearbook, is published by the junior class.
1866
First Grand Marshal is selected by the student body.
Winslow Chemical Laboratory is completed.
1868
Thomas Brinsmade serves briefly as president.
James Forsyth is appointed president.
