Steam piston engine invented by Thomas Newcomen.
Taj Mahal is completed, used as tomb for wife of Emperor Shah Jahan.
Treaty of Nerchinsk between Russia and China.
Video game console invented by Ralph H. Baer.
Bakelite invented by Leo Baekeland.
Mikhail Gorbachev becomes Soviet leader.
Arabs start using the Indian numerals 0 through 9.
Carus becomes Emperor of Rome, killed by his own military troops one year later.
Marcus Aurelius becomes the new Emperor of Rome.
Electric telegraph invented by Charles Wheatstone (also Samuel Morse).
Athens is taken over by the Ottomans.
NYSE (New York Stock Exchange) crashes after panic induces shares sell-off.