Editing Grevena (section)

==History==
===Ottoman period===
[[File:Панорама на Гревена од 1900.jpg|thumb|Photo of Grevena (1900) by [[Manakis brothers]]]]

Under Ottoman rule, Grevena was a small administrative and military centre, the seat of a kaza belonging to the [[Sanjak of Serfiğe]] within the [[Vilayet of Manastir]].<ref name="Stavridopoulos274"/> According to the statistics of [[Vasil Kanchov]] ("Macedonia, Ethnography and Statistics"), 600 [[Greeks|Greek]] [[Christians]], 500 [[Turkish people|Turks]], 200 Greek Muslims, 150 [[Aromanians]] and 100 [[Romani people|Romani]] lived in the town in 1900.<ref>[[Vasil Kanchov|Kanchov, Vasil]], {{ URL | 1=http://www.promacedonia.org/vk/vk_2_45.htm | 2=Macedonia, Ethnography and Statistics }}, [[Sofia]], 1900, book 2, p. 46. Written as "Гребена (Гревена)". (in Bulgarian)</ref>

Grevena was a mixed town and a part of its population were [[Greek Muslims|Greek-speaking Muslim]] [[Vallahades]].<ref name="Metoki315">{{cite thesis|last=Metoki|first=Athanasia|date=2016|title=Οι ελληνόφωνοι μουσουλμάνοι της Δυτικής Μακεδονίας: η περίπτωση των Βαλαάδων της Κοζάνης και των Γρεβενών|trans-title=The Greek-speaking Muslims of Western Macedonia: The case of the Vallahades of Kozani and Grevena|type=Masters|language=el|publisher=University of Macedonia|url=https://dspace.lib.uom.gr/handle/2159/19457|access-date=1 September 2024|pages=3, 15}}</ref> The 1920 Greek census recorded 3,108 people in Grevena, and 200 inhabitants (40 families) were Muslim in 1923.<ref name="Pelagidis84"/> Following the [[Population exchange between Greece and Turkey|Greek–Turkish population exchange]], [[Greek refugee]] families in Grevena were from [[East Thrace]] (6), [[Asia Minor]] (33) and [[Pontus (region)|Pontus]] (16) in 1926.<ref name="Pelagidis84"/> The 1928 Greek census recorded 3,747 town inhabitants.<ref name="Pelagidis84"/> In 1928, the refugee families numbered 52 (194 people).<ref name="Pelagidis84">{{cite thesis|last=Pelagidis|first=Efstathios|date=1992|title=Η αποκατάσταση των προσφύγων στη Δυτική Μακεδονία (1923–1930)|trans-title=The rehabilitation of refugees in Western Macedonia (1923–1930)|type=Ph.D.|language=el|publisher=Aristotle University of Thessaloniki|url=https://www.didaktorika.gr/eadd/handle/10442/2403|access-date=26 July 2024|page=84}}</ref> 

Due to its small size, the town's Ottoman past, represented through a few public buildings and the homes of Muslims located in the urban centre, all disappeared during the 20th century.<ref name="Stavridopoulos274"/> A mosque and a [[madrasa]] remained in Grevena until the population exchange; later both were destroyed.<ref name="Stavridopoulos274">{{harvnb|Stavridopoulos|2015|p=274}}.</ref> Another mosque existed in Grevena and was converted into a church in 1927; later it and its minaret were demolished, and the church of Agios Achillios built on the site.<ref name="Stavridopoulos274275">{{harvnb|Stavridopoulos|2015|pp=274–275}}.</ref> Military barracks remained until World War Two, and were later destroyed.<ref name="Stavridopoulos275"/> The large granite fortress residence ([[Konak (residence)|konak]]) of Veli Bey was destroyed after the population exchange.<ref name="Stavridopoulos275">{{cite thesis|last=Stavridopoulos|first=Ioannis|date=2015|title=Μνημεία του άλλου: η διαχείριση της οθωμανικής πολιτιστική κληρονομιάς της Μακεδονίας από το 1912 έως σήμερα|trans-title=Monuments of the other: The management of the Ottoman cultural heritage of Macedonia from 1912 until present|type=Ph.D.|language=el|publisher=University of Ioannina|url=https://www.didaktorika.gr/eadd/handle/10442/43568|access-date=26 July 2024|page=275}}</ref>

===1995 earthquake===
The earthquake that occurred in the region on 13 May 1995 was 6.6 on the [[Richter magnitude scale]], but it caused only material damage. The worst hit area was the county of Ventzia. There were two foreshocks of lesser intensity that preceded the main earthquake by a few minutes and warned people. These warnings sent the population out of their houses. When the main earthquake came, it destroyed nearly all the houses in several villages of the Ventzia County – the houses collapsed to the ground – but all the inhabitants were outside. 
 
Another earthquake on 5 January 2005 measured 4.9 near Grevena. It took place at 20:00 local time (EET), and no damage was reported. Another earthquake with a measured intensity of 5.4 occurred on 17 July 2007 at 21:23 local time (EET) and was followed by weak aftershocks. Some older buildings were lightly damaged in villages northeast of Grevena.