1946 (MCMXLVI) was a common year starting on Tuesday.
- March 18 - Adoption of the five-year plan for the Armenian SSR.
- September 25 - Opening of the Second Congress of Armenian Writers.
- October 5 Inauguration of Khachatur Abovyan's monument in Yerevan.
- December 11 - The first resolution on genocide adopted by the United Nations.