It was the "highway" for migrations and conquests by the Huns, Mongols, and Tatars.
Do you remember where you first heard the name? (e.g., a specific forum, a YouTube video, or a library catalog?) WIELKI STEP 1.44
While a single academic "paper" titled exactly "Wielki Step 1.44" is not found in standard academic databases (like JSTOR or Google Scholar), the naming convention strongly suggests it belongs to one of these niches: It was the "highway" for migrations and conquests