Ludendorff would later revisit the battle site when naming his own political movement, the Tannenbergbund, formed in 1925.
It was briefly resurrected in 1925, then merged with the Tannenbergbund.
In 1925, he joined Ludendorff's far-right Tannenbergbund political society, which Hierl left two years later in conflict with Ludendorff's wife Mathilde.