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.
The Haitians proclaimed themselves the first black republic in the world in 1804, and have remained independent to this day. December 5, 1492: Columbus discovers Haiti (the island of Hispaniola) 1697: The Spaniards cede the western third of Hispaniola to the French crown at the Treaty of Ryswick. Haiti is now called Saint Domingue. 1697-1791: Saint Domingue becomes the richest colony in the world. Its capital, Cap Franais, is known as the Paris of the New World.