January 27:
A.D. 98: Trajan becomes Roman emperor.
A.D. 1302: Dante becomes a political exile.
A.D. 1880: Thomas Edison patents the electric incandescent lamp.
A.D. 1888: The National Geographic Society is formed.
January 27:
A.D. 98: Trajan becomes Roman emperor.
A.D. 1302: Dante becomes a political exile.
A.D. 1880: Thomas Edison patents the electric incandescent lamp.
A.D. 1888: The National Geographic Society is formed.