View source for Mainz-Kostheim

{{Use dmy dates|date=December 2021}}
[[Image:Wiesbaden Karte Kostheim.PNG|thumb|Location of Mainz-Kostheim]]
'''Mainz-Kostheim''' is a district administered by the city of [[Wiesbaden]], Germany. Its population is 14,381 ({{asof|2020}}).<ref name=pop20>{{cite web|url=https://www.wiesbaden.de/guiapplications/newsdesk/publications/Landeshauptstadt_Wiesbaden/141010100000395663.php?sp-mode=download&download=0|title=Bevölkerung in den Ortsbezirken am 31. Dezember 2020|publisher=Landeshauptstadt Wiesbaden|access-date=22 September 2021}}</ref> Mainz-Kostheim was formerly a district of the city of [[Mainz]], until the public administration by the city of [[Wiesbaden]] was decided  on 10 August 1945.  The reason for this had been the easy control of the [[Allied Occupation Zones in Germany]], where the Rhine formed the border between the American sector and the French sector. Mainz-Kostheim faces the city of Mainz on the opposite shore of the [[Rhine]] river.
In 1184 [[Frederick I, Holy Roman Emperor]] held one of the biggest diets of the Middle Ages at the Maaraue in Kostheim, the [[Diet of Pentecost]]. Occasion had been the promotion to [[Knighthood]] of is both sons [[Henry VI, Holy Roman Emperor|Henry]] hand Frederic, [[Duke of Swabia]]. During the [[Siege of Mainz (1814)|Siege of Mainz]] by Prussian and Austrian troops in the [[Napoleonic Wars]] Kostheim had been severely damaged several times. In the cause of the [[bombing of Mainz in World War II]] Mainz-Kostheim was subject to air raids.
[[The Linde Group]] has been located in Kostheim before recent mergers, acquisitions and transition.
==Twin towns – sister cities==
{{See also|List of twin towns and sister cities in Germany}}
Mainz-Kostheim is [[Sister city|twinned]] with:<ref>{{cite web |title=Stadtteilpartnerschaften|url=https://www.wiesbaden.de/leben-in-wiesbaden/stadtportrait/partnerstaedte/content/stadtteilpartnerschaften.php|website=wiesbaden.de|publisher=Wiesbaden|language=de|access-date=17 February 2021}}</ref>
*{{flagicon|AUT}} [[Sankt Veit an der Glan]], Austria
==References==
{{reflist}}
{{Wiesbaden}}
{{coord|50|00|10|N|8|18|20|E|dim:10000_scale:100000_region:DE-HE_type:city_source:dewiki|display=title}}
{{Authority control}}
[[Category:Boroughs of Wiesbaden]]
[[Category:Divided cities]]
[[Category:Former boroughs of Mainz]]
[[Category:Rheingau]]
[[Category:Populated places on the Main basin]]
{{Hesse-geo-stub}}