Chromium forms many colorful compounds that have industrial uses. Lead chromate (PbCrO4), also known as chrome yellow, has been used as a yellow pigment in paints. Chromic oxide (Cr2O3), also known as chrome green, is the ninth most abundant compound in the earth's crust and is a widely used green pigment. Rubies and emeralds also owe their colors to chromium compounds.
The debates between Stephen Douglas and Abraham Lincoln have been described as the most famous war of words in history.. The two men, the Democratic Little Giant and the Republican Tall Giant, met for a series of debates throughout Illinois.
The groundwork for the campaign was laid in Lincolnâs famous House Divided speech in Springfield on June 16, 1858. Douglas opened his campaign on July 9 in Chicago. By mid-August, the two candidates had agreed to a series of debates in seven of the stateâs nine congressional districts.