The fall of Rome was the 9/11 of the ancient world; Alaric, its Osama bin Laden. As the "eternal city" crumbled, Augustine of Hippo pointed Christians to the City of God—the eternal church on pilgrimage through a world that is not our home.
What is the role of the government? Can we build a Christian society in this world? Protestant Reformers Martin Luther, Ulrich Zwingli, Martin Bucer, and John Calvin all grappled with those questions—and came up with different answers.
Racism continues to stain society and challenge the church's commitment to a color-blind gospel. Albert Lutuli's peaceful pursuit of justice in South Africa pointed a way forward for the generations to come.
Few issues have more serious implications for Christian witness and global politics today than Christian-Muslim relations. We can learn much from Arab Christian apologist John of Damascus, eloquent Assyrian Church leader Patriarch Timothy 1, and tireless Protestant missionary Samuel Zwemer.