BallivianChaco War

Paraguay

Bolivia

-22.7°N, -62.2°E· Bolivia

Land

2

BoliviansBoliviaArgentine

Canada el CarmenChaco War

Paraguay

Bolivia

-20.6°N, -62.7°E· Bolivia

Land

2

BolivianParaguayanVillazon

Canada StrongestChaco War

Bolivia

Paraguay

-21.7°N, -62.4°E· Paraguay

Land

1

BolivianBolivia

Canada TarijaChaco War

Paraguay

Bolivia

-22.7°N, -62.2°E· Paraguay

Land

1

BolivianBoliviansParaguayanCamachoBavia

Guangchang2nd Chinese Revolutionary War

Chinese Nationalists

Chinese Communists

26.8°N, 116.3°E· China

Land

4

GermanChineseNationalistYananJiangxiGuangchang

HudaydaSaudi-Yemeni War

Saudi Arabia

Yemen

14.8°N, 43.0°E· Yemen

Land

YemenSaudi ArabiaSaudi

PicuibaChaco War

Paraguay

Bolivia

-20.7°N, -61.9°E· Paraguay

Land

2

VillazonChaco War

Bolivia

Paraguay

-22.1°N, -65.6°E· Bolivia

Land

Paraguayans

Walwal2nd Italo-Ethiopian War

Draw

7.1°N, 45.4°E· Ethiopia

Land

1

ItalianEthiopiaAdowaSomalilandEthiopiansSomali

Xiang2nd Chinese Revolutionary Civil War

Chinese Nationalists

Chinese Communists

34.8°N, 106.6°E· China

Land

4

ChineseNationalistCommunistsJiangxiHsiang

YbiboboChaco War

Paraguay

Bolivia

-21.7°N, -63.0°E· Bolivia

Land

1

BoliviansParaguayanYrendagueYbiboboDelgado

YrendagueChaco War

Paraguay

Bolivia

-20.5°N, -62.1°E· Paraguay

Land

1

BoliviaYrendague