The phrase Reformation means making changes to something with the intention of sending it back on the right path. The reformation was around in 1517-1648.
The Diet Of Worms
The christian believers believed that it was sent down to them by God as a punishment for the peoples sins. 25 million innocent people died from the tragic decease which is almost one third of the continents population.
The Renaissance was once a period of of European culture, political, art and economic regrowth in the middle ages.
The excommunication of Luther occurred in 1521 when Pope Leo X excommunicated luther.