A sweeping history of Irish emigration, arguing that the Irish exodus helped make the modern worldWhen people think of Irish emigration, they often think of the Great Famine of the 1840s, which caused many to flee Ireland for the United States. But the real history of the Irish diaspora is much longer, more complicated, and more global.In On Every Tide, Sean Connolly tells the epic story of Irish migration, showing how emigrants became a force in world politics and religion.