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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1950
During the excavations of Arin Berd hill in 1950, the cuneiform inscription of King Argishti I of the Kingdom of Van was discovered, according to which Argishti I founded the fortress city of Erebuni in BC in the year 782.
1935
The Yerevan Botanical Garden was founded.