I do believe the early Egyptians, being as smart as they where used a interesting method of a sundial. It caught the suns shadow and they where able to use it to tell the time.
Patriots who helped <span>spark the American Revolution.</span>
Answer:
Post-classical history (also called the post-antiquity era, post-ancient era, or pre-modern era) is a periodization commonly used by the school of "world history" instead of Middle Ages (Medieval), which is roughly synonymous.[1] The period runs from about AD 500 to 1450 though there may be regional differences and debates. The era was globally characterized by the expansion of civilizations geographically and development of networks of trade between civilizations
