At its largest, Lake Mega-Chad contained more water than the Great Lakes put together.
Lake Chad straddles the borders of four countries: Chad, Nigeria, Niger and Cameroon.
Lake Chad and its feeder rivers support more than 30 million people.
Lake Chad shrank in size by 95 percent between 1963 and 1995.
The Kanem-Borno Empire from Lake Chad ruled most of North Africa for more than a thousand years.
More than 655,000 Kanembu people live around Lake Chad, the descendants of the Kanem-Borno Empire.