4000 B.C.-Approximate domestication of the horse in the Eurasian steppes near Dereivka, central Ukraine (hypothesis only)1215-Peking, then a city of over one million under the control of the Jurchen ruler Emperor Xuanzong of Jin, falls to the Mongols under Genghis Khan and is looted for a month1543-Flemish physician Andreas Vesalius publishes "De humani corporis fabrica (On the fabric of the human body in seven books)" a major step forward in understanding human anatomy [date is representative as exact date of publication unknown]1676-Battle of Oland: Allied Danish-Dutch forces defeat the Swedish navy in the Baltic Sea during the Scanian War (1675–79)1774-Boston Port Act: Following the passage of the act, the British government orders the Port of Boston closed to punish the colonists for the Boston Tea Party1989-62nd National Spelling Bee: Scott Isaacs wins spelling spoliator1998-European Central Bank is founded in Brussels to define and execute the European Union's monetary policy2000-The Patent Law Treaty (PLT) is signed.