Fix label of Korea

Qing in 1881-1895.

Korea before WWI.

關東州 boundary

Japan from 1879 to surrendered.

Japan after the surrender

Import boundary of Japan from OSM to OHM.

Qing (the same boundary with ROC in 1912).

Korea in 1948-1953.

Import boundary of Korea from OSM to OHM.

Fix end of R.O.C in 1971-

Fix of China in 1912-1945

Import boundary of Tuva from OSM, and create China in 1912-1945.

Import boundary of Tuva from OSM, and create China in 1912-1945.

Import boundary of Mongolia from OpenStreetMap.

Import boundary of Mongolia from OpenStreetMap.

China in 1945-1949, and name improved.

Fix for render. 傻逼渲染。

Date of British Hong Kong

China after 1949