Disneyland opened July 17, 1955 with less than half its rides operational, 100-degree heat melting the asphalt, women's heels sinking in, broken power grids, and a near-sinking riverboat. But ABC broadcast it live with 22 cameras to 83 million viewers — nearly half of America. Ronald Reagan was one of the three anchors. Within two months, the one-millionth visitor arrived.