Search examples: Microsoft | 2015 | 2014/10 | 4.12 | 04/20 | 05/26/1980 | Galileo Galilei

Science on the 30th of November 1905 in history

Science

Date	Type	Text
30 Nov 1905 Charles Barkla	science	Charles Barkla (chemistry) Charles Barkla discovers that each element has a characteristic X-ray and that the degree of penetration of these X-rays is related to the atomic weight of the element.	0
30 Nov 1905 Mikhail Tsvet	science	Mikhail Tsvet (chemistry) Mikhail Tsvet first names the chromatography technique for organic compound separation, in the course of demonstrating that chlorophyll is not a single chemical compound.	0
30 Nov 1905 Richard Oldham	science	Richard Oldham (geology) Richard Oldham argues that the Earth has a molten interior.	0
30 Nov 1905 Andrey Markov	science	Andrey Markov (mathematics) Andrey Markov produces his first theories on Markov chain processes.	0
30 Nov 1905 BCG	science	BCG (medicine) BCG (Bacilli-Calmette-Guerin) immunization for Tuberculosis first developed.	0
30 Nov 1905 dengue fever	science	dengue fever (medicine) Transmission of dengue fever by the Aedes mosquito is confirmed.	0
30 Nov 1905 Frederick Hopkins	science	Frederick Hopkins (medicine) Frederick Hopkins suggests the existence of vitamins and suggests that a lack of them causes scurvy and rickets.	0
30 Nov 1905 Clemens Peter von Pirquet	science	Clemens Peter von Pirquet (medicine) Clemens Peter von Pirquet, with Béla Schick, coins the term "allergy" to describe hypersensitive reactions.	0
30 Nov 1905 Royal Victoria Hospital, Belfast	science	Royal Victoria Hospital, Belfast (medicine) Royal Victoria Hospital, Belfast, is completed, the first such air conditioned building in the world.	0
30 Nov 1905 George Newman	science	George Newman (medicine) George Newman publishes Infant Mortality: a Social Problem in England.	0
30 Nov 1905 Walther Nernst	science	Walther Nernst (physics) Walther Nernst presents a formulation of the third law of thermodynamics.	0
30 Nov 1905 gyrocompass	science	gyrocompass (technology) The first practicable gyrocompass is invented by Hermann Anschütz-Kaempfe in Germany.	0
30 Nov 1905 Hughes Medal	science	Hughes Medal (awards) Hughes Medal – Hertha Ayrton	0
30 Nov 1905 Old Style	science	death Old Style January 13 (Old Style December 31, 1905) – Alexander Stepanovich Popov (born 1859), Russian physicist.	0

29th November 1905 1st December 1905

Like us on

Onthisday

Follow us on

Tweets av @OnThisDayNet

Link to results

What happened on this day in history?

OnThisDay.net is your complete guide to find out what happened on this day in History. The front page on this site shows you a series of important happenings and you can browse them buy categories such as births, deaths, events, science, history, music, news and holidays. We have also added an anniversary tab displaying happenings deserving extra attention today. If you are missing an important happening we made it easy for you to add it to the list. Just click add event, fill out the form and your suggestion will be revised by one of our staff. Please feel free to vote on your favourite events. This will help us in our effort to display the most popular events first and make the site more interesting for the next visitor, as events with many votes eventually will be shown first.