| 1700 |
Introduction of the so-called 'Improved Calendar' in the Protestant states of Germany |
| 10.5.1700 |
Enactment of the calendar patent for the Berlin Observator [Image] |
| 18.5.1700 |
Appointment of Gottfried Kirch as director of the observatory |
| 11.7.1700 |
Foundation of the Brandenburg Society |
| 1711 |
First observatory in Berlin [Images] |
| 1832-35 |
New observatory, architect Karl Friedrich Schinkel [Images] |
| 1846 |
Discovery of the planet Neptune by Johann Gottfried Galle |
| 1865 |
Appointment of Wilhelm Julius Foersters as director |
| 1874 |
Foundation of the "Astronomisches Rechen-Institut" |
| 1874 |
Foundation of the Astrophysical Observatory Potsdam (AOP) |
| 1876-79 |
Construction of the main building of the AOP on the Telegrafenberg at Potsdam [Images] |
| 1881 |
First Michelson experiment in Potsdam |
| 1886 |
Discovery of canal rays by Eugen Goldstein |
| 1888 |
Discovery of the polar motion of the Earth by Karl Friedrich Küstner |
| 1888 |
First photographic determination of a radial velocity by Hermann Carl Vogel |
| 1896 |
Experiments to find radio emission from the Sun by Johannes Wilsing and Julius Scheiner |
| 1899 |
Completion of the Great Refractor at Potsdam [Images] |
| 1904 |
Discovery of the interstellar matter by Jonannes Hartmann |
| 1904 |
Appointment of Karl Hermann Struve as director of the Berlin Observatory |
| 1909 |
Berufung von Karl Schwarzschild zum Direktor des AOP |
| 1911-13 |
Building of the observatory in Babelsberg |
| 1913 |
Relocation of the Berlin Observatory to Babelsberg |
| 1913 |
First use of photoelectric photometry by Paul Guthnick in Babelsberg |
| 1915 |
Completion of the Great Refractor in Babelsberg |
| 1921-24 |
Construction of the Einstein Tower on the Telegrafenberg |
| 1924 |
Completion of the 1.22-m reflector in Babelsberg |
| 1931 |
Affiliation of the Sonneberg Observatory to the Babelsberg Observatory |
| 1.1.1947 |
Takeover of AOP and Babelsberg Observatory by the German Academy of Sciences |
| 30.6.1954 |
Starting of radio observations in Tremsdorf |
| 1960 |
Completion of the 2-m reflector in Tautenburg |
| 1969 |
Foundation of the Central Institute of Astrophysics |
| 1.1.1992 |
Beginning of the work of the Astrophysical Institute Potsdam (AIP), |
|
Appointment of Karl-Heinz Rädler as scientific chairman |
| 1998 |
Appointment of Günther Hasinger as scientific chairman of the AIP |
| 2001 |
Appointment of Klaus G. Strassmeier as scientific chairman of the AIP |
| 2002 |
First light for the Multi-Aperture Spectrophotometer |
| 2004 |
Appointment of Matthias Steinmetz as scientific chairman of the AIP |
| 2005 |
LBT "First Light" |
| 2006 |
Re-inauguration of the Great Refractor |
| 2006 |
Inauguration of STELLA on Tenerife
|
![[Image]](http://www.aip.de/image_archive/images/inst_friedrich.jpg){kind=link}