How many years have passed since 1930?

When European nations began the era of seaborne exploration in the 15th and 16th centuries they benefitted from a number of technological advances that made this possible. Identify any TWO of these te? What river was called the gateway to the west at the beginning of the 1800's? How much is a the Great War For civilization medal worth? What message might these frequent and violent changes in leadership have sent to people living outside the roman empire? What Roman culture was affected by all the following civilizations EXCEPT the? What brought the czarist monachary to collapse? How did people store food in the medieval times? How was the Black Death handled? How many years cattle drive lasted? What happened to Eastern European nations during the cold war? What was it like on crusade? What were the goals of a medieval women? What peaceful means did he use to straighten his empire? What are the words the normans invented into England? What does the name Karlin mean? What was the pope urban main reason for calling the first crusade or war of cross? What is the Roman word for energy? Where did west African slaves traders get their slaves to sell Europeans? Pope urban II called on europeans to join a crusade against who? How long was a ship ride in 1400s to Africa from America?