Wikipedia:Articles for deletion/List of land borders with dates of establishment
I'm not sure whether this is  or not. I think it can definitely be sourced, though - I even have a book in storage about the geography of borders I'll have to take a look at
— User:SportingFlyer, 23:59, 4 October 2018 (UTC)
Stance: keep
Cited policy: WP:OR (Wikipedia:No original research)