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Who invented what?
Jul. 23rd, 2011 08:41 am Where were windmills first used?
When was inoculation first used widely and who discovered it?
Who first discovered the circulation of the blood?
Who/when first calculated the circumference of the Earth?
See here for answers that may not be the ones you first thought of.
Though, of course, for the last one, there is an even earlier answer.
How did you do?
When was inoculation first used widely and who discovered it?
Who first discovered the circulation of the blood?
Who/when first calculated the circumference of the Earth?
See here for answers that may not be the ones you first thought of.
Though, of course, for the last one, there is an even earlier answer.
How did you do?
