Home > 1845 in science

The year 1845 in science and technology included many events, some of which are listed here.

1 Astronomy

• April – Lord Rosse discovers that the nebula M51 has a spiral structure

2 Physics

• September 13 – Michael Faraday discovers that an intense magnetic field can rotate the plane of polarized light

3 Awards

• Copley Medal: Theodor Schwann
• Wollaston Medal for Geology: John PhillipsFor other people with this name, see John Phillips John Phillips ( December 25, 1800 April 24, 1874) was an English geologist. Philips was born at Marden in Wiltshire. His father belonged to an old Welsh family, but settled in England as an officer of exc

4 Births

• March 3March 3 is the 62nd day of the year in the Gregorian Calendar (63rd in leap years). There are 303 days remaining. Events 1400-1899 1431 Eugenius IV becomes Pope. 1791 The United States Mint is created by the United States Congress. 1820 The United States - Georg CantorGeorg Ferdinand Ludwig Philipp Cantor ( March 3, 1845 January 6, 1918) was a mathematician who was born in Russia and lived in Germany for most of his life. He is best known as the creator of modern set theory. He is recognized by mathematicians for havin (d. 1918See also Other events of 1918 List of years in science. 1917 in science 1918 in science 1919 in science. The year 1918 in science and technology consisted of several events, some of which are listed below. Physics J. Lense and Hans Thirring find the gravi), mathematicianA mathematician is a person whose area of study and research is mathematics. Roles Mathematicians not only study, but also research, and this must be given prominent mention here, because a misconception that everything in mathematics is already known is.
• March 27March 27 is the 86th day of the year in the Gregorian Calendar (87th in Leap years). There are 279 days remaining. Events 1306 Robert I of Scotland and Elizabeth de Burgh are crowned king and Queen of the Scots. 1513 (not 1512 as often cited) Explorer Jua - Wilhelm Röntgen (d. 1923See also Other events of 1923 List of years in science. 1922 in science 1923 in science 1924 in science. The year 1923 in science and technology included many events, some of which are listed here. Aeronautics Juan de la Cierva invents the autogyro, a rot), physicist, discoverer of X-rays, Nobel laureate.
• September 11 - Emile Baudot (d. 1903), telegraph engineer.