Template:YYY0s in continent association football category header/doc

Use this to create a category of the form "YYY0s in continent association football", where "continent" is the adjectival form of a continent and "YYY0s" is a 4-digit decade.

e.g.
 * Category:1950s in Asian football
 * Category:2010s in European football

Usage
No parameters needed.