 In the following season, he received a six-month ban, though Ajax nonetheless performed well in his absence; not only did they retain the championship title, their 1919 campaign was also an unbeaten run for them, an accomplishment that was only repeated 76 years later by Ajax themselves.Now a regular contender for the Western Regional championship in the Netherlands, Ajax marched through the 1920s with regional titles in 1921, 1927 and 1928, in addition to a few minor cup victories.The 1930s would prove to be more successful, however; with household names as Wim Anderiesen Sr., Dolf van Kol, Piet Strijbosch, Wim Volkers, Jan van Diepenbeek, Bob ten Have, Erwin van Wijngaarden and prolific striker Piet van Reenen, Ajax' period from the late '20s until World War II was so successful that many people dubbed it "the golden age" (a reference to the 17th century, the heyday of the Dutch Republic).