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5 giorni fa · Charles-Maurice de Talleyrand-Périgord (/ ˌ t æ l ɪ r æ n d ˈ p ɛr ɪ ɡ ɔːr /, French: [ʃaʁl mɔʁis də tal(ɛ)ʁɑ̃ peʁiɡɔʁ, – moʁ-]; 2 February 1754 – 17 May 1838), 1st Prince of Benevento, then Prince of Talleyrand, was a French secularised clergyman, statesman and leading diplomat.
- 1838–39 United States House of Representatives elections
The 1838–39 United States House of Representatives elections...
- 1838–39 United States House of Representatives elections
1 giorno fa · t. e. The 1830s (pronounced "eighteen-thirties") was a decade of the Gregorian calendar that began on January 1, 1830, and ended on December 31, 1839. In this decade, the world saw a rapid rise of imperialism and colonialism, particularly in Asia and Africa.
5 apr 2024 · Matthias Jakob Schleiden, German botanist who, with Theodor Schwann, was a cofounder of the cell theory. Schleiden became the first to formulate what was then an informal belief as a principle of biology equal in importance to the atomic theory of chemistry. Learn about Schleiden’s life and career.
- The Editors of Encyclopaedia Britannica
- Who was Matthias Jacob Schleiden?Matthias Jacob Schleiden was a German botanist who, with Theodor Schwann, cofounded the cell theory. In 1838 Schleiden defined the cell as the basi...
- When was Matthias Jacob Schleiden born? When did he die?Matthias Jacob Schleiden was born on April 5, 1804, in Hamburg, Germany. He died June 23, 1881, in Frankfurt am Main, Germany, at age 77.
- What is the cell theory?The cell theory isn’t so much a theory as it is an observation. The cell theory states that all plants and animals are made up of cells. Stated dif...
- What did Matthias Jacob Schleiden contribute to the cell theory?Matthias Jacob Schleiden studied microscopic plant structures. In his studies, he observed that the different parts of the plant organism are compo...
- How did Matthias Jacob Schleiden know Theodor Schwann?Matthias Jacob Schleiden and Theodor Schwann were German scientists. Schleiden was a botanist, and Schwann was a physiologist. In 1835 both Schleid...
15 apr 2024 · Sir Charles Wheatstone (born Feb. 6, 1802, Gloucester, Gloucestershire, Eng.—died Oct. 19, 1875, Paris) was an English physicist who popularized the Wheatstone bridge, a device that accurately measured electrical resistance and became widely used in laboratories.
- The Editors of Encyclopaedia Britannica
25 apr 2024 · Deborah Sampson (born December 17, 1760, Plympton, Massachusetts [U.S.]—died April 29, 1827, Sharon, Massachusetts, U.S.) was an American Revolutionary soldier and one of the earliest female lecturers in the country. Deborah Sampson, disguised as a male soldier, delivering a letter to George Washington during the American Revolution.
3 giorni fa · UNI EN 1838:2013 Applicazione dell'illuminotecnica - Illuminazione di emergenza. La norma definisce i requisiti illuminotecnici dei sistemi di illuminazione di emergenza, installati in edifici o locali in cui tali sistemi sono richiesti. Essa si applica, principalmente, ai luoghi destinati al pubblico o ai lavoratori. _____
