Warszawa, Mazovia, Poland

25th April 2026

Vologda Oblast, Vologda, Russia

25th - 26th April 2026

Burbank, Los Angeles County, California, United States

25th - 26th April 2026

Saint-Just-en-Chaussée, Oise, Hauts-de-France, France

2nd - 3rd May 2026

Buxton, Derbyshire, England, United Kingdom

8th - 11th May 2026

Provincie Overijssel, Overijssel, Netherlands

14th - 17th May 2026

Uppsala County, Uppsala, Sweden

14th - 17th May 2026

Hämeenlinna, Kanta-Häme, Finland

22nd - 24th May 2026

Los Angeles County, California, United States

23rd - 24th May 2026

Opole Voivodeship, Poland

29th - 31st May 2026

Gemeente Someren, North Brabant, Netherlands

5th - 7th June 2026

Espoo, Helsinki, Uusimaa, Finland

5th - 7th June 2026

Lohja, Helsinki, Uusimaa, Finland

5th - 7th June 2026

Budleigh Salterton, Devon, England, United Kingdom

12th - 14th June 2026

Città metropolitana di Roma Capitale, Latium, Italy

20th - 21st June 2026

Posadas, Province of Córdoba, Andalusia, Spain

26th - 28th June 2026

Online competition

26th - 28th June 2026

Grådö, Hedemora Kommun, Dalarna, Sweden

3rd - 5th July 2026

Aubervilliers, Seine-Saint-Denis, Île-de-France, France

3rd - 5th July 2026

Licheń Stary, Konin County, Greater Poland, Poland

9th - 12th July 2026

Blaker, Lillestrøm, Viken, Norway

10th - 12th July 2026

Ledbury, Herefordshire, England, United Kingdom

16th - 19th July 2026

Ajka, Veszprém, Hungary

17th - 19th July 2026

Stockholm County, Stockholm, Sweden

17th - 19th July 2026

Svalövs Kommun, Skåne, Sweden

24th - 26th July 2026

Gdańsk, Pomerania, Poland

30th July - 2nd August 2026

Helsinki, Uusimaa, Finland

30th July - 2nd August 2026

Tantonville, Meurthe et Moselle, Grand Est, France

1st - 2nd August 2026

Online competition

7th August 2026

Seevetal, Lower Saxony, Germany

14th - 16th August 2026

Köln, Regierungsbezirk Köln, North Rhine-Westphalia, Germany

21st - 23rd August 2026

Województwo Łódzkie, Poland

27th - 30th August 2026

Loppi, Riihimäki, Kanta-Häme, Finland

3rd - 6th September 2026

Berlin, Germany

2nd - 4th October 2026

Orivesi, Tampere, Pirkanmaa, Finland

30th October - 1st November 2026

Gdańsk, Pomerania, Poland

12th - 15th November 2026

Online competition

28th November 2026

Licheń Stary, Konin County, Greater Poland, Poland

6th - 10th January 2027

Leuven, Provincie Vlaams-Brabant, Flanders, Belgium

8th - 9th January 2027

Steinhausen, Zug, Switzerland

12th - 14th February 2027

Licheń Stary, Konin County, Greater Poland, Poland

8th - 11th July 2027

Steinhausen, Zug, Switzerland

18th - 20th February 2028

Licheń Stary, Konin County, Greater Poland, Poland

6th - 9th July 2028

Netherlands

18th - 19th December 2032

Opalenica, Powiat nowotomyski, Greater Poland, Poland

27th - 29th December 2047

Gdańsk, Pomerania, Poland

12th - 14th August 2072

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