History periods By amcaldera Period: 2300 BCE to 1 CE Metal Age The metal ages started at 2.300 Period: 1200 BCE to 2300 BCE Neolithic Period the neolithic was started at 12.000 Period: 476 to Jan 1, 1492 Antiquity Period: 476 to Jan 1, 1400 Middle Ages Period: Jan 1, 1500 to Jan 1, 1800 Modern Age Period: Jan 1, 1800 to Jan 1, 2018 Contemporary age Jan 1, 9000 Paleolithic Period the paleolithic was started at 9.000.000