User contributions
- 09:45, 29 September 2021 (diff | hist) . . (+431) . . Talk:2519: Sloped Border (current)
- 06:14, 23 September 2021 (diff | hist) . . (+859) . . 2519: Sloped Border (→Explanation: I don't think there is anything stopping countries to agree on something other than perpendicular air souvereinnty, like a shared sovereinnty over airspace.)