▁In ▁ 1 7 6 0 , ▁a ▁few ▁years ▁before ▁her ▁death , ▁she ▁left ▁the ▁castle ▁and ▁it ▁returned ▁to ▁the ▁Crown . ▁In ▁the ▁following ▁year ▁Louis ▁XV ▁established ▁a ▁Royal ▁Stud ▁at ▁the ▁Castle ▁and ▁the ▁ 3 3 3 ▁hect are ▁estate ▁( sp read ▁across ▁several ▁communes ) ▁based ▁on ▁the ▁private ▁stud ▁that ▁had ▁been ▁established ▁by ▁the ▁Mar qu ise ▁in ▁ 1 7 5 1 . ▁It ▁was ▁closed ▁at ▁the ▁fall ▁of ▁the ▁An ci en ▁Rég ime ▁then ▁re - est ab lished ▁by ▁the ▁French ▁Directory ▁in ▁ 1 7 9 5 ▁and ▁became ▁the ▁National ▁Stud ▁in ▁ 1 8 7 2 . ▁It ▁is ▁currently ▁a ▁famous ▁National ▁Stud ▁special ising ▁particularly ▁in ▁developing ▁the ▁Ang lo - A rab ▁bre ed . ▁ ▁During ▁the ▁French ▁Revolution ▁the ▁commune ▁took ▁the ▁name ▁Arn ac - la - P ra irie . ▁ ▁Her ald ry ▁ ▁Administration ▁List ▁of ▁Success ive ▁May ors ▁ ▁( Not ▁all ▁data ▁is ▁known ) ▁ ▁Dem ography ▁In ▁ 2 0 0 9 ▁the ▁commune ▁had ▁ 1 , 2 2 6 ▁inhabitants . ▁The ▁evolution ▁of ▁the ▁number ▁of ▁inhabitants ▁is ▁known ▁from ▁the ▁population ▁cens uses ▁conducted ▁in ▁the ▁commune ▁since ▁ 1 7 9 3 . ▁From ▁the ▁ 2 1 st ▁century , ▁a ▁census ▁of ▁communes ▁with ▁fewer ▁than ▁ 1 0 , 0 0 0 ▁inhabitants ▁is ▁held ▁every ▁five ▁years , ▁unlike ▁larger ▁towns