But because there is a pub, a primary school and several associations, the municipality Tytsjerksteradiel gave village status on 8 October 1948.

Since 1953 Mûnein is officially part of the Trynwalden a region on a sand bar which includes the villages of Oentsjerk.

It was Baron Theo van Welderen Rengers of Heemstra State, who stimulated the construction of the flax factory.

He was a member of the commission Door Arbeid tot Verbetering, which was founded by his father, Julius Wilco.

On 6 May 1898, an application was submitted at the municipality Tytsjerksteradiel to build a factory near the Swarte Broek, a lake near Mûnein.