18thangel's setlist.fm

Found the venues for the two Unknown Venues in Roosdaal for Sengir
https://www.setlist.fm/festivals/mini-rock-6bd61232.html
https://web.archive.org/web/20010215123226/http://www.sengirweb.com/homepage.html

There was already a city called Lede existing in East Flanders, so no need to create another one.

Same for
https://www.setlist.fm/setlist/sengir/2000/chez-eric-ans-belgium-2382d443.html
https://www.setlist.fm/setlist/sengir/2003/jeugdhuis-den-auwel-laakdal-belgium-3382d4d1.html
https://www.setlist.fm/setlist/sengir/2006/zaal-t-dorp-olen-belgium-5382d761.html

You could create Unknown Venue in Roosdaal, so why not create the exact venues written on your source page?

When creating https://www.setlist.fm/setlist/sengir/2003/unknown-venue-wichelen-belgium-2382d4d7.html and using Unknown Venue in Wichelen, when the venue is listed on the link you used as a source https://web.archive.org/web/20080110224358/http://www.sengirweb.com/Tourdates.aspx?ID=0 , it's not that difficult to add that venue. Everybody can do this.

Please use exact venue or location for Autunnonero Festival you created following the guidelines at https://www.setlist.fm/guidelines#festivalsHl