When used in the extemporaneous preparation of topical medications, it is supplied in the form of coal tar topical solution USP, which consists of a 20% w/v solution of coal tar in alcohol, with an additional 5% w/v of polysorbate 80 USP; this must then be diluted in an ointment base such as petrolatum.
Hiram Rhodes Revels, R-Miss. Revels was the first African-American to serve as a state senator, representing Mississippi. Revels was elected by the Mississippi State Senate to fill a vacant U.S. Senate seat, which was abandoned by Albert G. Brown when Mississippi seceded from the Union during the Civil War.
Barack Obama elected as Americaâs first black president. Share this: On this day in 2008, Senator Barack Obama of Illinois defeats Senator John McCain of Arizona to become the 44th U.S. president, and the first African American elected to the White House. The 47-year-old Democrat garnered 365 electoral votes and nearly 53 percent of the popular vote, while his 72-year-old Republican challenger captured 173 electoral votes and more than 45 percent of the popular vote.