Complex sentence: That same day they wrote the first issue of "Roet" (Drèents for garden weeds), which went on from its improvised beginnings to become one of the house publications of the Drèents promotional institute Huus van de Taol.
Split into simpler sentences: That same day they wrote the first issue of "Roet" (Drèents for garden weeds). From its improvised beginnings, the magazine went on to become one of the house publications of the Drèents emancipation institute Huus van de Taol.