You can set a deep link with the following code snippet:

Calendar Poland 2018 Opole

Year calendar with holidays and week numbers for Opole Poland.

Holidays, non-public holidays and events for Opole Poland

Mo 01/01/2018
Sa 01/06/2018
Tu 03/20/2018
Su 04/01/2018
Mo 04/02/2018
Tu 05/01/2018
Th 05/03/2018
Tu 05/08/2018
Su 05/20/2018
Sa 05/26/2018
Th 05/31/2018
Th 06/21/2018
We 08/01/2018
We 08/15/2018
Su 09/23/2018
Su 10/28/2018
Th 11/01/2018
Su 11/11/2018
Fr 12/21/2018
Mo 12/24/2018
Tu 12/25/2018
We 12/26/2018
Mo 12/31/2018