Bronx borough did not become a separate county until 1914.

A county may not be split into separate counties in order to do this.

The city lost its status as a separate county on the same date.

Some states contain independent cities that are designated into separate counties.

The City holds city status in its own right, and is also a separate ceremonial county.

Originally part of Kanggye, it was made a separate county in 1949.

In 1842, the state legislature divided the area into two separate counties.

Sadberge retained some independence and continued to be administered as an almost separate county until 1576.

Some maps, however, do not show Kalawao as a separate county.

Originally part of Kimhwa, it was split off as a separate county in 1952.