Perhaps not coincidentally, Groningen boasts the only municipality (Beerta) where the Communist Party of the Netherlands has ever had a mayor (Hanneke Jagersma).
Mungkin bukan suatu kebetulan, Groningen menawarkan kotamadya (Beerta) tempat Partai Komunis Belanda pernah memiliki seorang wali kota (Hanneke Jagersma).