a two-year journey to visit all 48 states. The Patent and Trademark Office is transferred to the Department of Commerce. April 10 – F. Scott Fitzgerald publishes The Great Gatsby. April 15 – Fritz Haarmann, a serial killer convicted of the murder of 24 boys and young men, is beheaded in Germany. April 16 – The Communist assault on St Nedelya Church claims roughly 150 lives in Sofia, Bulgaria. April 19 – Colo-colo, a well-known football club of Chile, is founded in Macul, suburb of Santiago. April 20 – Iranian forces of Rezā Shāh occupies Ahvaz and arrests Sheikh Khaz'al. April 28 – Presenting the Stanley Baldwin government's budget, Chancellor of the Exchequer Winston Churchill announces Britain's return to the gold standard. May May 1 In the Destruction of early Islamic heritage sites in Saudi Arabia, the al-Baqi' mausoleums are destroyed by King Ibn Saud. Barcelona S.C. founded in Ecuador. The All-China Federation of Trade Unions, the world's largest trade union organisation, is founded in Guangzhou, Republic of China. May 5 Scopes Trial: Dayton, Tennessee, biology teacher John T. Scopes is arrested for teaching Charles Darwin's Theory of Evolution. The General Election Law is passed in Japan. May 8 – African American Tom Lee rescues 32 people from the sinking steamboat M.E. Norman on the Mississippi River. May 16 – The first modern performance of Claudio Monteverdi's opera Il ritorno d'Ulisse in patria occurred in Paris. May 25 Scopes Trial: John T. Scopes is indicted for teaching Darwin's theory of evolution. The National Forensic League is founded. May 29 – British explorer Percy Fawcett sends a last telegram to his wife before he disappears in the Amazon. June June 6 – The Chrysler Corporation is founded by Walter Percy Chrysler. June 13 – Charles Francis Jenkins achieves the first synchronized transmission of pictures and sound, using 48 lines and a mechanical system in "the first public demonstration of radiovision". June 14 The Aristotle University of Thessaloniki in Greece is founded. The Turkish football club Göztepe is founded. June 29 – The 6.8 Santa Barbara earthquake affects the central coast of California with a maximum Mercalli intensity of IX (Violent), destroying much of downtown Santa Barbara, California and leaving 13 people dead. July July 7 New York City Police Department Emergency Service Unit is created as the Emergency Automobile Squad. July 9 – In Dublin, Ireland, Oonagh Keogh becomes the first