This video summarizes the lengthy history of Ireland from the Ice Age until today.  Among the numerous events it mentions, it explains that the island’s monasteries became a center of Christian study after the fall of the Roman Empire, the island being colonized by Vikings, the Normans setting up rule on the island, Ireland becoming ruled by England in 1100’s and the wars and rebellions that followed over the next hundreds of years, the potato famine in the 1840’s that killed over a million people, and Ireland regaining independence in the 1800’s and 1900’s along with the conflicts that happened along with it.  [Note: The video briefly mentions a pro-European Union stance, however note that there are many issues with the EU, as this video explains.]