▁the ▁Het man ate , ▁was ▁formed . ▁ ▁Het mans ▁during ▁the ▁Ru in ▁The ▁Ru in ▁( 1 6 6 0 – 1 6 8 7 ) ▁was ▁a ▁time ▁in ▁Ukrain ian ▁history ▁when ▁the ▁country ▁fell ▁into ▁dis array ▁and ▁cha os . ▁After wards , ▁the ▁C oss ack ▁state ▁emer ged ▁as ▁a ▁v ass al ▁of ▁the ▁Russian ▁Empire . ▁During ▁this ▁period ▁a ▁number ▁of ▁het mans ▁stayed ▁in ▁power ▁for ▁short ▁periods ▁of ▁time ▁and ▁often ▁controlled ▁only ▁parts ▁of ▁the ▁country . ▁Moreover , ▁the ▁Tre aty ▁of ▁And rus ovo ▁( 1 6 6 7 ) ▁split ▁the ▁C oss ack ▁Het man ate ▁along ▁the ▁D nie per ▁River ▁into ▁Left - bank ▁Ukraine , ▁which ▁enjoyed ▁a ▁degree ▁of ▁aut onomy ▁within ▁the ▁Ts ard om ▁of ▁Russia ; ▁and ▁Right - bank ▁Ukraine ▁which ▁remained ▁part ▁of ▁the ▁Polish - L ith uan ian ▁Commonwealth , ▁and ▁at ▁times ▁( 1 6 7 2 – 1 6 9 9 ) ▁part ▁of ▁the ▁Ott oman ▁Empire . ▁ ▁In ▁the ▁Russian ▁Empire ▁( 1 6 6 7 / 1 7 9 3 – 1 9 1 7 ), ▁in ▁the ▁H abs burg ▁Mon archy , ▁Aust rian ▁Empire ▁and ▁Austria - H ung ary ▁( 1 5 2 6 / 1 7 7 2 – 1 9 1 8 ) ▁After ▁the ▁dissol ution ▁of ▁the ▁C oss ack ▁Het man ate , ▁a ▁new ▁Mal or os