▁the ▁ 1 9 4 8 ▁Arab – Is ra eli ▁War ▁along ▁with ▁other ▁members ▁of ▁the ▁Arab ▁League . ▁ ▁In ▁February ▁ 1 9 5 8 , ▁King ▁Hus sein ▁of ▁Jordan ▁and ▁` Ab d ▁al - Il ā h ▁proposed ▁a ▁union ▁of ▁H ā sh im ite ▁monarch ies ▁to ▁counter ▁the ▁recently ▁formed ▁Egypt ian – S y rian ▁union . ▁The ▁resulting ▁Arab ▁Federation , ▁formed ▁on ▁ 1 4 ▁February ▁ 1 9 5 8 , ▁was ▁short - l ived . ▁It ▁ended ▁in ▁ 1 9 5 8 , ▁when ▁the ▁mon archy ▁was ▁over th rown ▁in ▁a ▁military ▁coup , ▁led ▁by ▁Abd ▁al - Kar im ▁Q as im . ▁ ▁Kingdom ▁of ▁Ira q ▁under ▁de ▁fact o ▁British ▁administration ▁ ▁The ▁territory ▁of ▁Ira q ▁was ▁under ▁Ott oman ▁domin ance ▁until ▁the ▁end ▁of ▁World ▁War ▁I , ▁becoming ▁an ▁occupied ▁territory ▁under ▁the ▁British ▁military ▁from ▁ 1 9 1 8 . ▁In ▁order ▁to ▁transform ▁the ▁region ▁to ▁civil ▁rule , ▁Mand atory ▁Mes op ot am ia ▁was ▁proposed ▁as ▁a ▁League ▁of ▁Nations ▁Class ▁A ▁mand ate ▁under ▁Article ▁ 2 2 ▁and ▁entr usted ▁to ▁the ▁United ▁Kingdom ▁of ▁Great ▁Britain ▁and ▁Ireland , ▁when ▁the ▁former ▁territ ories ▁of ▁that ▁Ott oman ▁Empire ▁were ▁divided ▁in ▁August ▁ 1 9 2 0 ▁by ▁the ▁Tre aty ▁of ▁S è v res . ▁However , ▁the ▁ 1 9 2 0