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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2011
On September 20, the solemn opening ceremony of the new scientific complex of the Matenadaran was held.
2019
Diana Abgar park was put into operation after reconstruction in June 2019. It is located in the central part of Mashtots Avenue.