What is chamistory?

Where did the western society's calendar come from? Who was dissatisfied with the government of the early Roman Republic because it was dominated by patricians? Who were credited with the invention of the wheel and the potter's wheel? Who was Cornelius Agrippa? What tools did a medieval lumberjack use? How does cultural diffusion affect civilization? How did Muslims acquire and pass o a range of ideas and technologies? Did leo buscaglia have any children? What day of the week was 6th August 1945? Who said that communism could not be allowed to spread from the cold war? What has been the impact of the book The Prince? How did Florence become the most influential city-state? What did Europeans use for technology in the past? What is the difference between cottage industry and the commercial industry? What was European peasants perspective on the crusades? When the serfdom was abolished what did most serfs become? What methods were used in the middle ages to determine guilt or innocence? Which is the most valid definition of the term revolution? When was Wall Street made? Werner von braun important contribution and why it is important?