
1) April 1918 event 2) March 1918 event 3) Massacre in Azerbaijan
Found on
https://www.crosswordclues.com/clue/march-days

The March Days, or March Events, refer to an inter-ethnic strife and massacres of between 3000 to 12,000 Azerbaijanis and other Muslims that took place between March 30 and April 2, 1918 in the city of Baku and adjacent areas of the Baku Governorate of the Russian Empire. Facilitated by a political power struggle between Bolsheviks with support of...
Found on
http://en.wikipedia.org/wiki/March_Days
No exact match found.