unspecified calendar (Q4512)
the source did not explicitly specify used calendar, calendar model is assumed basing on source information and/or comparison with other sources
- calendar not specified
- unknown calendar
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | unspecified calendar |
the source did not explicitly specify used calendar, calendar model is assumed basing on source information and/or comparison with other sources |
|