us si ans ▁retre at . ▁▁ ▁September ▁ 2 0 : ▁The ▁newly ▁elected ▁National ▁Convention ▁holds ▁its ▁first ▁session ▁behind ▁closed ▁doors , ▁in ▁the ▁S alle ▁du ▁Man ège , ▁the ▁former ▁r iding ▁school ▁of ▁the ▁Tu iler ies ▁Palace , ▁and ▁elect s ▁its ▁Bureau . ▁Of ▁the ▁ 7 4 9 ▁deput ies , ▁ 1 1 3 ▁are ▁Jacob ins , ▁who ▁take ▁their ▁seats ▁in ▁the ▁highest ▁ben ches ▁in ▁the ▁hall , ▁the ▁Mont agne ▁( Mount ain ), ▁thus ▁their ▁nick name ▁of ▁Mont agn ards , ▁the ▁" Mount aine ers ". ▁▁ ▁September ▁ 2 2 : ▁The ▁Convention ▁proc laim s ▁the ▁abol ition ▁of ▁royal ty ▁and ▁the ▁First ▁French ▁Republic . ▁ ▁September ▁ 2 9 : ▁French ▁troops ▁occup y ▁Nice , ▁then ▁part ▁of ▁Sav oy . ▁ ▁October ▁ 3 : ▁French ▁troops ▁occup y ▁Bas el ▁in ▁Switzerland , ▁then ▁ruled ▁by ▁Arch bishop ▁of ▁Bas el , ▁and ▁proc laim ▁it ▁an ▁independent ▁Republic . ▁▁ ▁October ▁ 2 3 : ▁French ▁troops ▁occup y ▁Frankfurt ▁am ▁Main . ▁ ▁October ▁ 2 7 : ▁The ▁French ▁army ▁under ▁Dum our iez ▁inv ades ▁the ▁Aust rian ▁Netherlands ▁( Bel g ium ). ▁They ▁occup y ▁Br uss els ▁on ▁November ▁ 1 4 . ▁ ▁November ▁ 1 9 : ▁The ▁Convention ▁claims ▁the ▁right ▁to ▁interven e ▁in ▁any ▁country ▁" where ▁people ▁desire ▁to ▁recover ▁their ▁freedom ". ▁▁ ▁November