WIP
| Polish-Czech Commonwealth | |||||
| |||||
| Anthem Mazurek Dabrowskiego | |||||
| Capital | Warsaw | ||||
| Official languages | Polish
Czech | ||||
| Recognised regional languages | Kashubian
Silesian Slovak | ||||
| Ethnic groups | WIP | ||||
| Demonym | Polish-Czech | ||||
| Religion | 71% Roman Catholic
23% Non-religious 6% Other | ||||
| Government | Unitary Parliamentary Republic | ||||
| History | |||||