Significant events that happened (or will happen) on April 13.
- 1905 – Edwin A. Alderman become the first president of the University of Virginia when he was formally inaugurated on Thomas Jefferson's birthday, celebrated as Founder's Day.
- 1743 – Thomas Jefferson, the third of ten children, was born at the family home in Shadwell to Peter and Jane (Randolph) Jefferson. (April 2, 1743, Old Style, Julian calendar). This day was recognized by Franklin D. Roosevelt as part of Presidential Proclamation 2276, issued on March 21, 1938. On July 1, 2020, the Charlottesville City Council voted to officially remove Thomas Jefferson's birthday as a local holiday.
- Web. History of the University of Virginia, 1819-1919, Philip Alexander Bruce, 1922, retrieved June 1, 2019.
- Web. City council votes to remove Thomas Jefferson holiday, By Brianna Hamblin, CBS19NEWS.COM, July 02, 2019, Updated Tue 12:04 PM, Jul 02, 2019, retrieved October 15, 2019.