
During the 1st century AD, Roman emperor Vespasian (ruled 69-79) placed a tax on urine. The urine from public urinals was sold as an essential ingredient for several chemical processes, such as […]
During the 1st century AD, Roman emperor Vespasian (ruled 69-79) placed a tax on urine. The urine from public urinals was sold as an essential ingredient for several chemical processes, such as […]