Chinese monks discovered the technology in the 9th century CE, during their quest for a life-extending elixir. The key ingredient, saltpeter, had been in use by this same culture since the late centuries BCE for medicinal purposes.The Mongols soon emerged as an ambitious and violent society, and their conquests and invasions acted as a vehicle by which gunpowder would spread to the rest of the world. It is documented that the technology had reached the Middle East by the 13th century CE, at which point traders as well as crusaders would have come into contact with it.

However, his journey kicked off centuries of exploration and exploitation on the American continents. The Columbian Exchange transferred people, animals, food and disease across cultures. Old World wheat became an American food staple. African coffee and Asian sugar cane became cash crops for Latin America, while American foods like corn, tomatoes and potatoes were introduced into European diets. 

What started as a nonviolent protest in 2011 quickly escalated into full-blown warfare. Since the fighting began, more than 470,000 people have been killed, with over 1 million injured and millions more forced to flee their homes and live as refugees.

The location this event took place was Levant, and Anatolia. The impact of this event: The most significant effect of the First Crusade was the capture of Jerusalem and the formation of various Crusader states. This had the secondary effect of halting, at least temporarily, the expansion of Islam.

A series of campaigns by Christian states to recapture territory from the Muslims (Moors), who had occupied most of the Iberian Peninsula in the early 8th century.

The impact that this caused was that they pushed back against Axis forces until Germany was forced to surrender less than a year later.

This event took place in germany

This event took place in germany.

impact of this event: Hitler immediately set about abolishing the powers of the states and the existence of non-Nazi political parties and organisations. Non-Nazi parties were formally outlawed on 14 July 1933, and the Reichstag abdicated its democratic responsibilities.

The Holocaust took place in Germany.

The impact of the holocaust: The Holocaust was the genocide of European Jews during World War II. Between 1941 and 1945, Nazi Germany and its collaborators systematically murdered some six million Jews across German-occupied Europe, around two-thirds of Europe's Jewish population.