; ▁previously ▁of ▁the ▁former ▁Sm ol ny ▁Institute ▁next ▁to ▁Sm ol ny ▁Con vent . ▁In ▁early ▁ 2 1 st ▁century ▁it ▁shows ▁ 1 ) ▁the ▁history ▁of ▁the ▁pre - 1 9 1 7 ▁inst itute ▁( the ▁first ▁state ▁educational ▁facility ▁for ▁young ▁ladies ), ▁ 2 ) ▁the ▁history ▁of ▁ 1 9 1 7 ▁October ▁Revolution ▁and ▁the ▁time ▁the ▁building ▁was ▁occupied ▁until ▁the ▁spring ▁of ▁ 1 9 1 8 ▁by ▁the ▁first ▁Soviet ▁Government ▁led ▁by ▁Vladimir ▁Len in ▁which ▁later ▁moved ▁to ▁Moscow , ▁including ▁Len in ' s ▁a partment / stud y , ▁ 3 ) ▁later ▁Soviet ▁period . ▁ ▁The ▁museum ▁has ▁branches , ▁partly ▁left ▁after ▁the ▁closing ▁in ▁early ▁ 1 9 9 0 s ▁of ▁the ▁city ' s ▁branch ed ▁subs idi ary ▁of ▁National ▁Len in ▁Museum : ▁the ▁Y el izar ov ▁family ▁mem orial ▁a partment ▁near ▁ul its a ▁Len ina ▁( Len in ▁Street ) ▁in ▁Pet ro grad sky ▁district ▁( one ▁of ▁Len in ' s ▁sister s ▁Anna ▁n ée ▁U li yan ova ▁was ▁married ▁to ▁Mark ▁Y el izar ov , ▁and ▁Len in ▁was ▁their ▁guest ); ▁ ▁the ▁All il u ye v ▁family ▁mem orial ▁a partment ▁in ▁ 1 0 th ▁Soviet sk aya ▁ul its a . ▁( The ▁family ▁of ▁N ade zh da ▁All il u ye va ▁and ▁her ▁parents ▁was ▁frequ ented ▁by ▁Joseph