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Hace 2 días · 1st century AD: The aeolipile, a simple steam turbine is recorded by Hero of Alexandria. [263] 1st century AD: The first use of respiratory protective equipment is documented by Pliny the Elder ( c. 23 AD –79) using animal bladder skins to protect workers in Roman mines from red lead oxide dust.
Hace 5 días · Humanities LibreTexts - Bauhaus (1919-1931) (May 31, 2024) Top Questions. What was the Bauhaus? What does “Bauhaus” mean? What kind of art did the Bauhaus create? Who founded the Bauhaus? How has the Bauhaus influenced modern art and design? Walter Gropius, c. 1915.
- The Editors of Encyclopaedia Britannica
Hace 2 días · The 19th century began on 1 January 1801 (represented by the Roman numerals MDCCCI), and ended on 31 December 1900 (MCM). The 19th century was characterized by vast social upheaval. Slavery was abolished in much of Europe and the Americas.
Hace 3 días · On 11 August 1919, President Friedrich Ebert signed the democratic Weimar Constitution. In the subsequent struggle for power, communists seized power in Bavaria, but conservative elements elsewhere attempted to overthrow the Republic in the Kapp Putsch.
Hace 3 días · Timeline of national flags. This article contains a list of the flags and/or modifications made on the flags of current sovereign nations .
Hace 2 días · This is a list of wars that began between 1900 and 1944 . This period saw the outbreak of World War I (1914–1918) and World War II (1939–1945), which are among the deadliest conflicts in human history, with many of the world's great powers partaking in total war and some partaking in genocides.
Hace 1 día · La legislatura del Maryland rifiutò di ratificare l'emendamento e tentò di impedire ad altri stati di farlo. Carrie Catt cominciò a fare appello ai governatori occidentali, incoraggiandoli ad agire rapidamente. Alla fine del 1919, un totale di 22 stati aveva ratificato l'emendamento. ''Il grande problema alle urne'' (''Judge'', 25 ottobre 1919)
