This template is intended to be used in the First Performance field of the General Information section of work pages.
The date of the performance should be listed at the beginning of the First Performance field before the FirstPerf template in the following fashion:
1801-05-10 {{FirstPerf|1801|BHO}}
or
1801 {{FirstPerf|1801|BHO}}
Use of this template will include the work page in the categories documenting operas first performed in a specific year and operas first performed at a specific theatre.