1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.
Brétigny-sur-Orge (French pronunciation:[bʁetiɲisyʁɔʁʒ]ⓘ, literally Brétigny on Orge) is a commune in the southern suburbs of Paris, France, 26.7 km (16.6 mi) from the city center.
Origin of the city name
The name of the settlement is attested as Britiniacum in 1146, as Bretigniacum in 1548, and subsequently[when?] as Breteigny.
The origins of Brétigny start in the era of Roman Gaul. The etymology comes from the Latin britiniacum, which means "property of the Breton". The name certifies that this territory was during that period dedicated to a Breton, coming from (Great) Britain, during the period of Briton migration (6th century). Brétigny afterwards belonged to the royal estate of the Merovingian kings (from the 5th century until the 8th century).
At the time of the creation of the commune, the city name was spelled without any accent. This accent was added in 1801, and the name of the river ("on Orge") was added in 1898.
Geography
Climate
Brétigny-sur-Orge has an oceanic climate (Köppen climate classificationCfb). The average annual temperature in Brétigny-sur-Orge is 11.9 °C (53.4 °F). The average annual rainfall is 628.9 mm (24.76 in) with December as the wettest month. The temperatures are highest on average in July, at around 20.2 °C (68.4 °F), and lowest in January, at around 4.5 °C (40.1 °F). The highest temperature ever recorded in Brétigny-sur-Orge was 42.0 °C (107.6 °F) on 25 July 2019; the coldest temperature ever recorded was −18.8 °C (−1.8 °F) on 16 January 1985.
Climate data for Brétigny-sur-Orge (1991−2020 normals, extremes 1947−present)
On 12 July 2013 an intercity train derailed shortly after 17.00, killing 7 people.[4][5]
People
Inhabitants of Brétigny-sur-Orge are known as Brétignolais.
Historical population
Year
Pop.
±% p.a.
1793
700
—
1800
725
+0.50%
1806
789
+1.42%
1821
792
+0.03%
1831
781
−0.14%
1836
729
−1.37%
1841
808
+2.08%
1846
830
+0.54%
1851
829
−0.02%
1856
868
+0.92%
1861
943
+1.67%
1866
1,015
+1.48%
1872
1,093
+1.24%
1876
983
−2.62%
1881
1,065
+1.62%
1886
1,180
+2.07%
1891
1,160
−0.34%
1896
1,134
−0.45%
Year
Pop.
±% p.a.
1901
1,251
+1.98%
1906
1,329
+1.22%
1911
1,438
+1.59%
1921
2,205
+4.37%
1926
2,640
+3.67%
1931
3,076
+3.10%
1936
3,300
+1.42%
1946
3,673
+1.08%
1954
4,759
+3.29%
1962
6,830
+4.62%
1968
12,688
+10.87%
1975
19,572
+6.39%
1982
18,662
−0.68%
1990
19,671
+0.66%
1999
21,650
+1.07%
2007
22,837
+0.67%
2012
25,214
+2.00%
2017
26,528
+1.02%
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