 The Oriental replaced an earlier theater venue on the site opened November 27, 1903, the Iroquois Theatre, which burned in the deadliest theatre fire in U.S. history.After the fire's recorded death toll reached over double the death toll of The Great Chicago Fire, city officials closed all theaters in the city for inspection.Following the incident, the city enacted new laws that addressed aisle-way and exit standards, scenery fireproofing, and occupancy limits.