Thomas Edison applied for his first patent in 1868 when he was only 21 years old. The first original idea of the famous inventor was
Category: History Knowledge
History and knowledge-based information

One of the best ways to prevent the spread of the flu and other viruses is to wash your hands. Today, this may seem like
In the late summer of 1918, the second devastating wave of Spanish influenza arrived on the American coast. Carried by First World War doughboys returning

In 1636, according to an 1841 account by Scottish author Charles MacKay, all of Dutch society went mad with exotic tulips. As Mackay wrote in