1) The world's first insurance policy was issued in 1347 in Genoa, Italy. It insured against the risk of maritime trade.

2) The Indian Ocean is the third-largest ocean and is characterized by its warm waters and diverse marine life.

3) The Internet of Things (IoT) refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity.

4) The discovery of the Americas by Christopher Columbus in 1492 opened up new trade routes and had a profound impact on world history.