| Border Change | Country | Year Changed |
|---|
| Establish border to add Gibraltar to this country. | |
| Move border east to give parts of Luxembourg to this country. | |
| Move border south to give 30,000 square miles south of the Gila River (including the town of Tucson) to this country. | |
| Move border east to give Savoie and Haute-Savoie to this country. | |
| Move border north to give Mount Kilimanjaro to this country. | |
| Move border north to give Kionga Triangle to this country. | |
| Move border south to give Northern Schleswig to this country. | |
| Move border east to add Western Thrace to this country. | |
| Move border north to give Chaco Boreal to this country. | |
| Move border south to give Hatay province to this country. | |
| | Border Change | Country | Year Changed |
|---|
| Move border west to add Karelia, Salla, and Petsamo to this country. | |
| Move border north to add the Aouzou Strip to this country. | |
| Move border north of the 38th Parallel to give parts of Gangwon-do to this country. | |
| Move border south to add Gwadar to this country. | |
| Remove border to add Ifni to this country. | |
| Move border north to add Sikkim to this country. | |
| Move border east to give Brandenburg, East Berlin, Mecklenburg-Vorpommern, Saxony, Saxony-Anhalt, and Thuringia to this country. | |
| Move border west to add Walvis Bay and Penguin Islands to this country. | |
| Move border south to add Hong Kong to this country. | |
| Remove borders to add ______ Canal Zone to this country. | |
|
China's Borders
The Great Border Journey
World's Shortest Borders
