▁volunte ers ▁in ▁County ▁C ork , ▁with ▁at ▁least ▁ten ▁British ▁and ▁three ▁I RA ▁death s . ▁ 2 1 ▁March ▁– ▁Irish ▁War ▁of ▁Independ ence : ▁Head ford ▁Amb ush : ▁Irish ▁Republican ▁Army ▁k ills ▁at ▁least ▁nine ▁British ▁troops . ▁ 2 7 ▁April ▁– ▁Vis count ▁Fitz Al an ▁of ▁Der w ent ▁is ▁appointed ▁Lord ▁Lieutenant ▁of ▁Ireland , ▁the ▁first ▁Roman ▁Catholic ▁granted ▁the ▁office ▁since ▁ 1 6 8 5 . ▁ 3 ▁May ▁– ▁the ▁province ▁of ▁Northern ▁Ireland ▁is ▁created ▁within ▁the ▁United ▁Kingdom ▁under ▁terms ▁of ▁the ▁Government ▁of ▁Ireland ▁Act ▁ 1 9 2 0 . ▁ 1 3 ▁May ▁– ▁Irish ▁elections , ▁under ▁terms ▁of ▁the ▁Government ▁of ▁Ireland ▁Act ▁ 1 9 2 0 : ▁At ▁close ▁of ▁nom ination ▁for ▁elections ▁to ▁the ▁new ▁Parliament ▁of ▁Southern ▁Ireland , ▁all ▁ 1 2 8 ▁candidates ▁are ▁returned ▁uno pp osed ▁and ▁de emed ▁elected . ▁All ▁ 1 2 4 ▁S inn ▁F é in ▁candidates ▁regard ▁themselves ▁as ▁elected ▁to ▁the ▁Second ▁D á il . ▁ 2 4 ▁May ▁– ▁Irish ▁elections , ▁under ▁terms ▁of ▁the ▁Government ▁of ▁Ireland ▁Act ▁ 1 9 2 0 : ▁In ▁the ▁Northern ▁Ireland ▁general ▁election ▁for ▁the ▁new ▁Parliament ▁of ▁Northern ▁Ireland ▁( h eld ▁by ▁single ▁transfer able ▁vote ), ▁it ▁is ▁apparent ▁by ▁ 2 9 ▁May ▁that ▁the ▁Union ists ▁have ▁a ▁substantial ▁majority ▁( 4 0 ▁out ▁of ▁ 5 2