Takhtamukaysky District was created in 1934.
Olovyanninsky District was created in 1926.
Mersch District was created in 1857.
Nakapiripirit District was created on 2001-07-01.
East Kameng district was created in 1980.
The Second Military District, established during the Reconstruction era, was comprised of Virginia and North Carolina. This district was created to enforce Reconstruction policies and oversee the integration of formerly enslaved individuals into society. It was part of a larger division of the Southern states into military districts to maintain order and protect civil rights following the Civil War.
Takhtamukaysky District ended in 1929.
Papakura District was created in 1989.
Aginsky District was created in 1941.
Borzinsky District was created in 1926.
Ellembele District was created in 2008.
Sudbury District was created in 1907.
Khorinsky District was created in 1923.
Kalarsky District was created in 1938.
Zianchurinsky District was created in 1930.
Xinying District was created in 2010.
Nerchinsky District was created in 1926.
The District Leader was created in 1906.