There are four different blood types: type-O, type-A, type-B and type-AB. Type-O, the most common, is known as the universal donor because any person can receive a blood transfer of type-O blood. Type AB is known as the universal receiver because type-AB can receive a blood transfer of any type of blood.
Jean Baptiste Point du Sable, an immigrant from Saint-Domingue (now the Republic of Haiti), founded the first nonindigenous settlement in what is now Chicago, Illinois, the third largest city in the United States. The state of Illinois and city of Chicago declared du Sable the founder of Chicago on 26 October 1968.
History: First black senator elected. February 23, 1870: Hiram Revels became the first African American elected as U.S. Senator, taking the Mississippi seat once held by Jefferson Davis, the former President of the Confederacy. He served only one year. February 23, 1929: Baseball catcher Elston Gene Howard was born in St. Louis, Mo.