May Days
The May Days of 1937 , sometimes also called May Events , refer to a series of clashes between 3 and 8 May 1937 , when factions on the Republican side engaged each other in street battles in various parts of Catalonia , centered on the city of Barcelona , in the context of the Spanish Civil War . 
<triplet> May Days <subj> 8 May 1937 <obj> point in time <subj> Barcelona <obj> location <subj> Spanish Civil War <obj> part of <triplet> Catalonia <subj> Barcelona <obj> capital <triplet> Barcelona <subj> Catalonia <obj> capital of