Wikipedia:Articles for deletion/American entry into Canada by land (2nd nomination)
The way the page reads is not a reason to bring the matter here because |AfD is not cleanup.  The topic is notable because there are numerous books about it including the following
— user:Andrew, 12:19, 20 January 2018 (UTC)
Stance: keep
Cited policy: WP:NOTCLEANUP (Wikipedia:Arguments to avoid in deletion discussions)