Complex sentence: During the second half of February 1944 70th Army was transferred to the front at river Turya north of Kovel where in it was on 25 February subordinated to Belorussian Front and on 16 April 1 Belorussian Front (2nd Formation).
Split into simpler sentences: During the second half of February 1944,70th Army was transferred to the front at river Turya north of Kovel. On 25 February, it was subordinated to Belorussian Front and on 16 April 1, Belorussian Front (2nd Formation).