It was officially established as a district on December 4, 1964.
It had been established as a district from a part of Leicester.
Longgang was established as a district on January 1, 1993.
It was officially established as a district on January 28, 1969.
It is near the center of Vienna and was established as a district in 1850.
It borders the Danube and was established as a district in 1892.
It was established first as a district of Northampton in 1753.
It was officially established as a district on October 22, 1964.
In 1906 it was established as a district.
Magdalena was officially established as a district on May 10, 1920.