Event:
U.S. patent #1 (after 9,957 unnumbered patents), for locomotive wheels
More Notable Events on July 13:
1988 Sting performs his 1st Rain Forest benefit concert
1960 U.S. Democratic convention nominates John F. Kennedy as presidential candidate
1945 1st atom bomb explodes in New Mexico
1865 P. T. Barnum's museum burns down
1832 Source of Mississippi River discovered, Henry R. Schoolcraft
