The USA Science & Engineering Festival is a bi-annual science festival held in Washington, D.C. Founded in 2010 by Larry Bock, the festival is the largest celebration of science, technology, engineering, and mathematics (STEM) disciplines in the United States. The inaugural event was held on October 10–24, 2010, the second festival was April 27–29, 2012, the third festival was April 24–27, 2014, the fourth festival was April 16–17, 2016, and the fifth festival was April 7–8, 2018.