The Kalahari Desert is a large arid to semi-arid sandy area in southern Kgalagadi Africa extending 900,000 kmÂ² (362,500 sq. mi.), covering much of Botswana and parts of Namibia and South Africa. It has huge tracts of excellent grazing after good rains.
U.S. enters World War I. On April 6, 1917, two days after the U.S. Senate votes 82 to 6 to declare war against Germany, the U.S. House of Representatives endorses the decision by a vote of 373 to 50, and the United States formally enters the First World War. When World War I erupted in 1914,...
Countries. 1  France - Germany declared war on France on August 3, 1914. 2  Britain - Britain entered the war when Germany invaded Belgium. 3  Russia - The Russian Empire was an early entry into the war. 4  United States - The United States tried to remain neutral during the war.