The Roman emperor Vespasian began construction of the Colosseum in AD 72. It was finished in AD 80, the year after he died. The huge amphitheater included an elevator that could lift elephants to the floor of the arena.… Read More
Serialized radio dramas became popular in the 1930s. They were called soap operas, because they were sponsored by makers of cleaning products, among them P and G’s Oxydol, Palmolive Beauty Soap, and Colgate Tooth Powder.