🗓 October 2 in Russia:

🔳 1552 — The capture of Kazan by the troops of Ivan the Terrible, marking the annexation of the Kazan Khanate to Russia. 

🔳 1834 — In Moscow, behind the Tverskaya Zastava, the Triumphal Gates were opened in honor of the victories of the Russian military in 1812, 1813, and 1814 (construction began in 1829). 

🔳 1879 — The Russian self-taught mechanic Fyodor Blinov received a patent for the “wagon with infinite rails” — a prototype of a caterpillar tractor. 

🔳 1915 — The Russian Army left Vilno. 

🔳 1931 - A decision was approved to begin construction of the Moscow metro

🔳 1936 — The maximum prison sentence in the USSR was increased from 10 to 25 years. 

🔳 1940 — A decree was issued by the Presidium of the Supreme Soviet of the USSR on the creation of State Labor Reserves. 

🔳 1940 — The first flight of the IL-2 attack aircraft, the most massive aircraft in the history of military aviation.

🔳 1974 — A nuclear explosion "Crystal" with a power of 1.7 kilotons was conducted in Yakutia. 

🔳 1987 — The first program "Vzglyad" aired on the First Channel of Central Television.