Complex sentence: In 1926, GVAV promoted to the "Eerste Klasse Noord" for the first time in its existence, and remained active at the highest northern level until the abolishment of the regional leagues in 1950.
Split into simpler sentences: In 1926, GVAV promoted to the "Eerste Klasse Noord" for the first time in its existence. The club remained active at the highest northern level until the abolishment of the regional leagues in 1950.