Complex sentence: In 1944 Thurman left his tenured position at Howard to help the Fellowship of Reconciliation establish the Church for the Fellowship of All Peoples in San Francisco, California, the first racially integrated, intercultural church in the United States.
Split into simpler sentences: In 1944 Thurman left his tenured position at Howard to help the Fellowship of Reconciliation establish the Church for the Fellowship of All Peoples in San Francisco, California. It was the first racially integrated, intercultural church in the United States.