Template:YYY0s elections in continent category header/doc

To create a category of the form "YYY0s elections in continent"

e.g. Category:1920s elections in Europe

Note that:


 * 1) "YYY0s" must be a 4-digit decade, e.g. "1920s"
 * 2) "continent" must be one of
 * 3) * Africa
 * 4) * Asia
 * 5) * Europe
 * 6) * North America
 * 7) * South America
 * 8) * Oceania

Usage
No parameters needed