▁of ▁ 1 8 2 0 . ▁The ▁effects ▁of ▁the ▁industrial ▁revolution ▁in ▁the ▁early ▁ 1 9 th ▁century , ▁combined ▁with ▁an ▁economic ▁dow nt urn ▁following ▁the ▁Napole onic ▁War , ▁encourag ed ▁political ▁un rest ▁( see ▁Peter lo o , ▁Chart ism ). ▁In ▁ 1 8 2 0 , ▁several ▁ag it ators ▁were ▁arrested ▁on ▁susp icion ▁of ▁plot ting ▁an ▁ins urre ction . ▁The ▁site ▁of ▁the ▁ 1 8 2 0 ▁Battle ▁of ▁Bonn ym u ir ▁remains ▁un mark ed . ▁In ▁recent ▁times ▁a ▁mem orial ▁has ▁been ▁ere cted ▁to ▁comm emor ate ▁the ▁battle . ▁▁ ▁A ▁strike ▁of ▁some ▁ 6 0 , 0 0 0 ▁workers ▁followed ▁in ▁April ▁ 1 8 2 0 , ▁mainly ▁in ▁the ▁west ▁of ▁Scotland , ▁and ▁a ▁" pro vis ional ▁government " ▁was ▁declared ▁in ▁Glasgow . ▁The ▁Car ron ▁Iron works ▁was ▁bes ie ged ▁by ▁ 4 0 ▁milit ants ▁with ▁the ▁intention ▁of ▁obtain ing ▁arm aments ; ▁they ▁were ▁subsequently ▁joined ▁by ▁rein for c ements ▁from ▁St ir ling . ▁They ▁were ▁overcome ▁by ▁Scottish ▁troops ▁of ▁the ▁St ir ling shire ▁Ye oman ry ▁at ▁Bonn ym u ir ▁and ▁ 4 7 ▁were ▁ar ra igned ▁for ▁tre ason . ▁The ▁ring le aders , ▁Andrew ▁Hard ie , ▁James ▁Wilson ▁and ▁John ▁B air d ▁were ▁executed . ▁Thomas ▁McC ul lo ch , ▁John ▁Bar r , ▁William ▁Smith