History By Lucia Centeno Period: 99,999 BCE to 3500 BCE PREHISTORY 5 million years ago 3500 BCE 1st written document Period: 3500 BCE to 476 ANTIQUITY 476 End of WRE western roman empire Period: 476 to 1492 MIDDLE AGES 1492 Discover America Period: 1492 to 1789 MODERN AGE 1789 French Revolution Period: 1789 to 2017 CONTEMPORARY AGE