Come on... I am sure history was not black and white! Cinema was invented black and white. Nothing more. It was the same VIBGYOR effect then! But when I assume World War 2 or 'Asoka' dynasty or even MGR (Tamil actor)movies for that matter, things come in my mind in 'black and white' shades.
Just because the 'zoom' effect of the camera, and the color videography was not invented by then; does not mean our ancestors lived in 'black and white' era. Well there is no such 'black and white' era for that matter. We use the term 'black and white times' to describe anything ancient. That's mean! I would want to see Charlie Chaplin in color.