Complex sentence: At the end of August 1920 the last emir, Sayyid Alim Khan, was overthrown as a result of the invasion of the emirate by Soviet troops, and on 6 October the emirate was abolished and the Bukharan People's Soviet Republic proclaimed.
Split into simpler sentences: At the end of August 1920 the last emir, Sayyid Alim Khan, was overthrown by Soviet troops. On 6 October 1920 the emirate was abolished and the Bukharan People's Soviet Republic proclaimed.