1935

Italian premier Benito Mussolini and French Foreign Minister Pierre Laval conclude an agreement, in which each power agrees not to oppose the other's colonial claims.

The discovery and clinical development of Prontosil, the first broadly effective antibiotic, is published in a series of articles by Gerhard Domagk and others in Germany's pre-eminent medical journal, Deutsche Medizinische Wochenschrift.

Adolf Hitler announces German re-armament in violation of the 1919 Treaty of Versailles.

The Roerich Pact, a Pan-American treaty on the protection of cultural artefacts, is signed in Washington, D.C.

Joseph Stalin opens the Moscow Metro to the public.

He–Umezu Agreement: China's Kuomintang government concedes Japanese military control of north-eastern China.

RMS Mauretania (1906) sails from Southampton to Rosyth to be broken up.

United States President Franklin D. Roosevelt signs the Social Security Act into law.

Earl W. Bascom and his brother Weldon produce the first night rodeo held outdoors under electric lights, at Columbia, Mississippi.

A tornado destroys the 160-metre-tall (520 ft) wooden radio tower in Langenberg, Germany. As a result of this catastrophe, wooden radio towers are phased out.

1935 United Kingdom general election: Prime Minister Stanley Baldwin returns to office at the head of a National Government led by the Conservative Party, with a large but reduced majority.

The De La Warr Pavilion at Bexhill-on-Sea, designed by Erich Mendelsohn and Serge Chermayeff, a pioneering example of International Style architecture, opens in England.