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Hace 3 días · 1930: The Supersonic combusting ramjet — Frank Whittle. [citation needed] 1930: The Phase-contrast microscopy is invented by Frits Zernike. 1931: The electron microscope is invented by Ernst Ruska. 1933: FM radio is patented by inventor Edwin H. Armstrong.
Hace 1 día · The Great Depression (1929–1939) was a severe global economic downturn that affected many countries across the world. It became evident after a sharp decline in stock prices in the United States, leading to a period of economic depression. [1] .
Hace 1 día · The Roaring Twenties, sometimes stylized as Roaring '20s, refers to the 1920s decade in music and fashion, as it happened in Western society and Western culture.
Hace 3 días · The 1930 United States Senate elections occurred in the middle of Republican President Herbert Hoover 's term. The 32 seats of Class 2 were contested in regular elections, and special elections were held to fill vacancies. With the Great Depression beginning to take hold, Republican incumbents became unpopular, [1] and Democrats picked up a net ...
Hace 3 días · Part of the intercommunal conflict in Mandatory Palestine, decolonisation of Asia, and the precursor to the Israeli–Palestinian conflict. British soldiers on an armoured train car with two Palestinian Arab hostages used as human shields. Date. 19 April 1936 – 26 August 1939 (3 years, 4 months and 1 week) Location.
Hace 5 días · Learn about the population, diversity, history and challenges of India, the second-most populous country in the world, on Wikipedia.
Hace 3 días · Pages for logged out editors learn more. Contributions; Talk; Contents move to sidebar hide
