Cleanse the Causeway
The skirmish known as Cleanse the Causeway , or Clear the Causeway , took place in the High Street of Edinburgh , Scotland , on 30 April 1520 , between rivals James Hamilton , 1st Earl of Arran , chief of Clan Hamilton , and Archibald Douglas , 6th Earl of Angus , chief of Clan Douglas . 
<triplet> High Street <subj> Edinburgh <obj> location <triplet> Edinburgh <subj> Scotland <obj> capital of <triplet> Scotland <subj> Edinburgh <obj> capital <triplet> James Hamilton, 1st Earl of Arran <subj> Clan Hamilton <obj> family