- samoa x tonga
- bangladesh x myanmar
- kenya x tanzania
- venezuela x cuba
- china x north korea
- ukraine x georgia
- nicaragua/FSLN x cuba
- nicaragua x costa rica
- brasil x uruguay
- ukraine x kazakhstan
- kazakhstan x kyrgyzstan
- china x mongolia
- singapore x brunei
- niger x mali
- senegal x morocco
- algeria x palestine
- palestine x yemen
- ethiopia x sudan
- uyghur khanate x tang dynasty
- satsuma x chōshū domain
- umayyad x abbasid caliphate
- uyghur x sogdia
- cebu x iloilo
- la union x benguet
- taiwan x usa
- haiti x dominican republic
- palau x micronesia
- lithuania x poland
- lithuania x belarus
- barbados x trinidad
oct 19 2025 ∞
aug 14 2026 +