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.
Haiti is the poorest nation in the Western Hemisphere, but its culture and history are undeniably rich. Under French rule in the 1700s, Haiti was the wealthiest colony in the New World and represented more than a quarter of France's economy. After a Haitian slave revolt defeated the French army in 1801, the newly independent nation became the first country in the New World to abolish slavery.