How many years has it been since 1900?

What time did miners have to wake up in 1950? Why were the vikings so problematic for western Europe? Who reined during the great fire of Rome? What technique does a historian use when organizing events beliefs and individuals into past present and future? What century does 1168 fall in? What explorer established trading posts? Where does the surname Callan come from? How many epidemics has there been since the beginning of sickness? Charlemagne put great emphasis on? What is the meaning of Celldom? What did the 12 tables do? What does O'Ceallaigh mean? What are three major Roman achievements? Who Invented The Toilet Seat? Why might it have taken hundreds of years for an invention to be adopted in the west? What is the single reason of crusdes? What was the difference between the eastern and western empire? What is uniformitarianiam? When did Vespasian rule the Roman Empire? The end of the Roman Republic occurred when what man came to power?