Complex sentence: In the meantime, Russia was continuing its advance: on June 28,1865 Tashkent was taken by the Russian troops of General Chernyayev; the loss of Khujand followed in 1867.
Split into simpler sentences: In the meantime, Russia was continuing its advance. On June 28,1865 Tashkent was taken by Russian troops of General Chernyayev; loss of Khujand followed in 1867.