Is There a Connection Between India and Ireland?

We need to get out of our minds that we're so in the mindset of nationalism. In fact, we're coming to the last, to the death grasps of nationalism. People were a migratory people who just moved and travelled depending on the circumstances. So it makes absolutely sense that all cultures would have been interlinked. But why marticulary was india and ireland? Why ade the connection so strong? And it's really because, you know, we're a sort of indo european culture.