Template:Railway stations in the Russian Empire opened or closed in the YYY0s category header

{{Documentation|content=To make a category of the form "Railway stations in the Russian Empire opened or closed in the YYY0s" or "Railway stations in the Russian Empire in the YYY0s", where YYY0s is a 4-digit decade

e.g.
 * Category:Railway stations in the Russian Empire opened in the 1860s
 * Category:Railway stations in the Russian Empire closed in the 1890s

The template detects which format is being used, and adjusts accordingly.

Redirects

 * Railway stations in the Russian Empire opened in the YYY0s category header

No parameters needed