Learning the lingo: Taking up a second language before we're 3?

Last year was an eventful one for Europe as Britain voted itself out of the union. But despite the predictions of Nigel Farage, Ireland is still very much tied with its Continental counterparts, at least for the foreseeable future.
However while we have plenty in common with our European cousins on both a cultural and social level, the one area in which we differ greatly is our command of foreign languages.