On 9 September 1919, the National Assembly of Armenia founded the History Museum of Armenia. The museum opened to visitors on August 20, 1921. Its first director was Yervand Lalayan.
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1957
Bronze monuments of Hovhannes Tumanyan and Alexander Spendiarov (sculptors Ara Sarkisyan and Ghukas Chubaryan) were erected on the Opera Square.
1971
Start of construction of "Cascade" complex.
