Ku dhammaystiro weedhan soo socda: Sharciga Dagaalka ee Mareykanka waxaa loola jeedaa waqtiyada taariikhda Mareykanka ee gobol, gobol, magaalo, ama Mareykanka oo dhan lagu soo rogay gacanta ciidan. Heer qaran, Madaxweynaha Mareykanka iyo Koongareeska Mareykanka labaduba waxay leeyihiin awood, xaddidaadyo gaar ah, si ay u soo saaraan sharciga dagaalka maadaama labaduba ay mas'uul ka noqon karaan maleeshiyada. Gobol kasta, guddoomiyuhu wuxuu awood u leeyahay inuu ku soo rogo sharciga dagaalka gudaha xuduudaha gobolka. Dalka Mareykanka, sharciga dagaalka waxaa loo adeegsaday xaalado kooban, sida New Orleans intii lagu jiray Dagaalkii New Orleans; ka dib masiibooyin waaweyn, sida Great Chicago Fire ee 1871,
1906 dhulgariirkii San Francisco, ama intii lagu jiray rabshadaha, sida Omaha rabshadaha jinsiyadeed ee 1919 ama 1920 Lexington rabshadaha; hoggaamiyeyaasha maxalliga ah waxay ku dhawaaqeen sharciga ciidamada si ay uga difaacaan rabshadaha dadka, sida Nauvoo, Illinois, intii lagu jiray Dagaalkii Mormons ee Illinois, ama Utah intii lagu jiray Dagaalkii Utah; ama ka jawaabida qalalaasaha la xiriira dibadbaxyada iyo rabshadaha, sida 1934 West Coast waterfront strike, ee Hawaii ka dib weerarkii Japan ee Pearl Harbor, iyo inta lagu gudajiray Dhaqdhaqaaqa Xuquuqda Madaniga ah ee ka jawaabaya rabshadii Cambridge ee 1963.