Complex sentence: In 1999, Bickle was fired from the church that he was pastoring, Metro Christian Fellowship, then a megachurch of over three thousand members, in order to start the International House of Prayer (also known by its acronym IHOPKC).
Split into simpler sentences: In 1999, Bickle was fired from the church that he was pastoring, Metro Christian Fellowship, then a megachurch of over three thousand members. He then started the International House of Prayer (also known by its acronym IHOPKC).