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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1913
The demonstration flight of the "Blerio" plane was organized in the square, between the rampart and the Orthodox graveyard.
1918
On May 28, Yerevan was declared the capital city of the First Independent Republic of Armenia.