On September 21, the official city bus route "Yerevan City Tour" was launched for the first time.
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1921
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.
1971
Hrazdan Sport Stadium was built in the Hrazdan Gorge.