| The Guarani caciques exchanged women to formalize their alliance with the Spanish against the hostile peoples of the Chaco. |
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| Artifacts found at Chaco suggest that the community had trade ties with people as far away as Mexico, such as the Toltecs. |
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| The red quebracho grows only in the jungles of the Gran Chaco, an area along the banks of the Paraguay River. |
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| There are various upland systems of plant associations that occur throughout the Gran Chaco. |
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| Both of these upland systems, as well as numerous other Gran Chaco areas, are rich with endemism. |
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| The Gran Chaco has high levels of biodiversity, containing around 3,400 plant species, 500 birds, 150 mammals and 220 reptiles and amphibians. |
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| Due to the climatic regime of the Gran Chaco, herpetofauna are restricted to moist refugia in various places throughout the chaco. |
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| The League failed to prevent the 1932 war between Bolivia and Paraguay over the arid Gran Chaco region. |
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| Since 2007, there is a law which is supposed to regulate and control the cutting of timber in the Gran Chaco, but illegal logging continues. |
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| Fortifications were built, especially along the Apa River and in Gran Chaco. |
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| The Chichas fought the Chiriguanos and Tobas from the Chaco lands to the east and held off the Incas from the north for years. |
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| On November, 26 2012, Paraguayan President Federico Franco announced the discovery of oil reserves in the Chaco near the Pirity River. |
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| The unresolved border conflict with Bolivia over Chaco region finally erupted in early 1930s in the Chaco War. |
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| After great losses Paraguay defeated Bolivia and established its sovereignty over most of the disputed Chaco region. |
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| Locals sometimes divide it today by the political borders, giving rise to the terms Argentinian Chaco, Paraguayan Chaco and Bolivian Chaco. |
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| In Australia, shifting sand dunes covered half the continent, whilst the Chaco and Pampas in South America became similarly dry. |
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| In the central and northern Paraguay Chaco, occasional dust storms have caused major top soil loss. |
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| They were also the first Europeans to cross the Chaco and reach the outer territories of the Inca Empire on the hills of the Andes, near Sucre. |
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| Over the next few decades, Bolivia began to push the natives out and settle in the Gran Chaco, while Paraguay ignored it. |
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| These immigrants created some of the largest and most prosperous municipalities in the deep Gran Chaco. |
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| In 1765, a second outbreak killed approximately 12,000 more, and then spread westward through the tribes of the Chaco. |
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| The floral characteristics of the Gran Chaco are varied given the large geographical span of the region. |
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| In addition, some of the donations were Native American ladles, apparently stolen from El Malpais National Monument and Chaco Canyon National Historical Park in New Mexico. |
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| We know that the Anasazi, who built the cliff dwellings of Mesa Verde, Chaco Canyon, and other sites in the Southwest, disappeared sometime during the 13th century. |
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| The Brazilian Highlands on the east coast are fairly smooth but show some variations in landform, while farther south the Gran Chaco and Pampas are broad lowlands. |
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| The language was also used in other tribes such as the Chaco in Paraguay. |
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| Paraguay also cultivates mate in the lower part of the Chaco. |
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| Prior to national independence of the nations that compose the Chaco, the entire area was a separate colonial region named by the Spaniards as Chiquitos. |
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| The Gran Chaco has some of the highest temperatures on the continent. |
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| The Chaco is one of South America's last agricultural frontiers. |
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| The following Argentine provinces, Bolivian and Paraguayan departments and Brazilian states lie in the Gran Chaco area, either entirely or in part. |
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