Velsky District was created on 1929-07-15.
The area of Velsky District is 10,060 square kilometers.
Georgy Adelson-Velsky was born in 1922.
The AVL tree is named after its two inventors, G.M. Adelson-Velsky and E.M. Landis.
Sadao District was created in 1909.
Adilabad district was created in 1905.
Bizhbulyaksky District was created in 1930.
Khasansky District was created in 1922.
Akshinsky District was created in 1926.
Sterlitamaksky District was created in 1930.
Ulyotovsky District was created in 1926.
Goalpara district was created in 1876.
Mwenezi District was created in 18##.