1) The concept of insurance dates back to ancient times when merchants would distribute their goods across different ships to reduce the risk of losing everything in a single event.

2) The most-watched TV series finale in the United States was "MAS*H," with an estimated 105 million viewers.

3) The Alps, located in Europe, are a popular destination for skiing, mountaineering, and hiking.

4) The oldest known musical instrument is a flute made from a bird bone, estimated to be around 43,000 years old.