the Kangra Valley, kills 20,000 and destroys most buildings in Kangra, McLeod Ganj and Dharamshala. April 5 – The body of John Paul Jones, "Father of the American Navy", is located in Paris almost 113 years after his death. April 6 – A violent strike by the Teamsters' Union begins in Chicago. April 8 – Hundreds of people are killed in Spain in the collapse of a dam holding back a reservoir near Madrid. April 17 – Russia's Tsar Nicholas II issues a decree granting religious freedom to his subjects. April 20 – The largest ocean liner in the world at this time, the German SS Amerika is launched. April 23 – German General Lothar von Trotha commander of troops in Germany's colony of Südwestafrika (modern-day Namibia), orders the extermination of the Nama people within the colony's borders, ultimately killing 10,000. Von Trotha's proclamation Aan de oorlogvorende Namastamme, proclaimed that "The Nama who chooses not to surrender and lets himself be seen in German territory will be shot, until all are exterminated." April 24 – China's Empress Regent Cixi (Tzu Hsi) abolishes further use in executions of the nation's three most cruel torture execution methods, lingchi ("death by a thousand cuts"), gibbeting (similar to crucifixion, hanging until dying of exposure, thirst or starvation), and desecration of a dying person. April 28 – A tornado strikes Laredo, Texas and kills 100. April 30 – Albert Einstein completes his doctoral dissertation, A New Determination of Molecular Dimensions (submitted July 30 to the University of Zurich). May May 4 –The first world championship of professional wrestling takes place at Madison Square Garden in New York City. May 9 – Upon the death of U.S. social activist Ann Reeves Jarvis In West Virginia, her daughter Anna Jarvis resolves to campaign across the United States for a proposed "Mother's Day". May 10 – In the U.S., A tornado destroys the town of Snyder, Oklahoma, killing 97. May 11 – Albert Einstein submits for publication his paper "Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen" ("On the Motion of Small Particles Suspended in a Stationary Liquid, as Required by the Molecular Kinetic Theory of Heat"), based on his doctoral research, delineating a stochastic model of Brownian motion. May 12 – The Natural History Museum in London unveils its popular exhibit of "Dippy", an exact replica of the skeleton