in Africa. The Kalahari Desert (Dorsland in Afrikaans) is a large semi-arid savanna in South Africa covers 900,000 km Â² sand (350,000 square miles) that much of Botswana and parts of Namibia and South Africa.
The Oregon Territory, 1846. Along with territorial disputes with Spain and Mexico over the Southwest, the fate of the Oregon Territory was one of the major diplomatic issues of the first half of the 19th century.
In 1859, the Washington Territorial Assembly began creating new counties out of the 70 million acre Walla Walla County. On November 11, 1875, when Columbia County was established, (forming Walla Walla Countyâs eastern border), the present day Walla Walla County boundary line (1267 square miles) was established. The southern border is the State of Oregon, and the Snake River separates the western and northern border from Benton and Franklin Counties.