 Text search
 Related images
 HistoryWorld
 Link
 Map
Click the icons to visit linked content. Hover to see the search terms. |
|  |
| | | | | | | |
|
| 1907 |
| | | Austrian scientist Clemens von Pirquet discovers a diagnostic test to identify tuberculosis in a patient | |
| |
|
| 1909 |
| | | French biologist Charles Nicolle discovers that epidemic typhus is transmitted by the body louse | |
| |
|
| 1910 |
| | | Chicago cardiologist James Herrick publishes the first account of the cells causing sickle-cell anaemia | |
| |
|
| 1911 |
| | | Alfred Adler ends his association breaks with Sigmund Freud and forms his own school of psychology | |
| |
|
| 1912 |
| | | Carl Jung breaks with Freud and introduces the concept of the collective unconscious | |
| |
|
| 1915 |
| | | Typhoid-carrier Mary Mallon is detained in New York after leaving a trail of destruction | |
| |
|
| 1915 March |
| | | A typhus epidemic sweeps through Serbia, severely weakening the nation's armed forces | |
| |
|
| 1916 |
| | | New Zealand surgeon Harold Gillies sets up a plastic surgery unit at Aldershot, a British military base | |
| |
|
| 1918 August |
| | | A world-wide pandemic of influenza breaks out, and within the space of a year kills 30 million people | |
| |
|
| 1920 |
| | | New Zealand surgeon Harold Gillies publishes a pioneering text book, Plastic Surgery of the Face | |
| |
|
| | | | | |
| |