1935 – Construction of University of Texas Tower under way. A construction worker slipped off a 12th floor scaffold and fell to his death.

1937 – The 307-foot-tall University of Texas Tower was completed. It was designed by Paul Cret of Philadelphia and the university’s supervising architect, Robert White. The Tower was both lauded as a monument of pride and criticized for its unorthodox design.

June 11, 1945 – An English professor was the first person to jump to his death.

1949 – A sophomore leapt to his death from a window on the 19th floor. Less than a year later, another person accidentally fell from a window ledge.

March 3, 1961 – A senior jumped to his death from the 21st floor.

1966 – An average of 20,000 people visited the Tower every year.

Aug. 1, 1966 Charles Whitman barricades himself on the 28th floor observation deck and shoots 45 people, killing 13 that day.

Oct. 28, 1974 – Tower closes after nine people jumped to their deaths from the 28th floor observation deck between 1966 and 1974.

Dec. 18, 1995 – Virtual tour of the UT Tower launched

Sept. 15, 1999 – Tower reopens on the 116th birthday of UT.