Used to create a category of the form "YYYY operas", where YYYY is a 4-digit year
e.g. Category:1871 operas
{{YYYY operas category header}}
No parameters needed
Used to create a category of the form "YYYY operas", where YYYY is a 4-digit year
e.g. Category:1871 operas
{{YYYY operas category header}}
No parameters needed