Complex sentence: On 19 June 1994 what many Kashmiri Historians recall as a darkest day, in the dark of Night he was assassinated by Pro India Gunmen at Dialgam, when he was at a meeting called by Hizb ul Mujahideen.
Split into simpler sentences: On 19 June 1994 what many Kashmiri Historians recall as a darkest day. In the dark of Night he was assassinated by Pro India Gunmen at Dialgam, when he was at a meeting called by Hizb ul Mujahideen.