Ancient Roman concrete arches contained volcanic ash, which helped them self-heal when cracks formed by reacting with water. This made them incredibly durable, lasting for millennia.
Medieval People Drank More Beer Than Water
Due to unsafe drinking water, beer was the preferred daily beverage—even for children. It contained low alcohol levels but was safer than contaminated water.
A 2016 study suggested that eating ice cream for breakfast may increase mental alertness. However, the study did face criticism for not clarifying whether it was the ice cream itself or the affect of cold temperatures on the brain.
Thanksgiving did not become a national holiday in the United States until the fall of 1863 when President Abraham Lincoln issued a proclamation declaring that the last Thursday in November would be a day of national thanksgiving.
