The cornerstone is laid at the Cathedral Church of Saint Peter and Saint Paul (better known as Washington National Cathedral) in Washington, D.C. The First American Track and Field championships for women are held. The French Mandate for Syria and the Lebanon takes effect. Chaco War: Last day of the Battle of Boquerón between Paraguay and Bolivia. The Kyshtym disaster is the third-worst nuclear accident ever recorded. China-Japan relations: Japan establishes diplomatic relations with the People's Republic of China after breaking official ties with the R...