Daniel Joslyn-Siemiatkoski is professor of church history at Seminary of the Southwest. He is the Kraft Family Professor and director of the Center for Christian-Jewish Learning.

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How Christians Made Good Friday Bad for Jews — And What's Changed

The Walsall Town Centre Ministry re-enact Jesus carrying the cross on Good Friday. David Warren / Alamy.

During the medieval Good Friday service, Christians prayed for the “perfidious” — or deceitful — Jews that God might “remove the veil from their hearts so that they would know Jesus Christ.” In another part of the service, a crucifix was placed in front of the congregation so people could venerate the crucified body of Jesus.