having gained self-government from the United Kingdom, Fuad I becomes King of Egypt. March 16 – The Rand Rebellion, which began as a strike by white South African mine workers on 28 December 1921 and became open rebellion against the state, is suppressed. March 18 – In British India, Mahatma Gandhi is sentenced to six years in prison for sedition (he serves only two). March 20 – The USS Langley is commissioned as the first United States Navy aircraft carrier. March 22 – Radio station WLW in Cincinnati begins broadcasting. March 23 – Queensland, Australia, abolishes the Legislative Council (Upper House). March 26 – The German Social Democratic Party is founded in Poland. March 31 – Six die in the Hinterkaifeck murders north of Munich. April April 1 – South African Railways takes control of all railway operations in South West Africa. April 3 – Joseph Stalin is appointed General Secretary of the Central Committee of the Soviet Communist Party. April 7 - 1922 Picardie mid-air collision: The first midair collision between airliners occurs, between a Daimler Airway de Havilland DH.18 and a Grands Express Aériens Farman Goliath over Poix-de-Picardie, Amiens, France. April 10 – Genoa Conference: The representatives of 34 countries convene to speak in Genoa, Italy about monetary economics, in the wake of World War I. April 12 – The United Kingdom's Prince of Wales arrives in Yokohama aboard HMS Renown and rides by train to Tokyo, starting a one-month visit to Japan. April 13 – The State of Massachusetts opens all public offices to women. April 16 – The Treaty of Rapallo marks a rapprochement between the Weimar Republic and Bolshevik Russia. April 24 – The first portion of the Imperial Wireless Chain, a strategic international wireless telegraphy network created to link the British Empire, is opened, from the UK to Egypt. May May 8 – In Moscow, eight priests, two laymen and one woman are sentenced to death for opposition to the Soviet government's confiscation of church property. May 18 – Sergei Diaghilev, Igor Stravinsky, Pablo Picasso, Marcel Proust, James Joyce, Erik Satie and Clive Bell dine together at the Hotel Majestic in Paris, their only joint meeting. May 19 – The All-Russian Young Pioneer Organisation is established. May 29 – British Liberal MP Horatio Bottomley is jailed for seven years for fraud. May 30 – In Washington, D.C., United States, the Lincoln Memorial is dedicated.