June 30 in Pop Culture History June 30th is… International Asteroid Day Corvette Day Mai Tai Day National Meteor Watch Day Social Media Day 1831 – A patent for a platform scale was issued to brothers Erastus and Thaddeus S. Fairbanks of St. Johnsbury, Vermont. 1859 – Jean-Francois Gravelet, Emile Blondin, became the first daredevil […]