Knowing this, our minds fill in the map with logic. If such a line as ... Congresses throughout the first half of the 19th century), slaves must have resided below it and free black people ...

Africa, and Asia—which you can see mapped out in the infographic below. The first known fossils of human ancestors, those of Neanderthals, were unearthed in the early 19th century, and decades ...

During the 19th century the British fought minor wars in Africa to secure British control of colonial territories. These included the: Ashanti Wars in West Africa. Matabele Wars in South Africa.