who is prince henry and what did he do???

I assume this is the Prince Henry you mean.

http://www.enchantedlearning.com/explorers/page/h/henry.shtml

Prince Henry, also known as Prince Henry the Navigator, was a 15th-century Portuguese prince. He was renowned for his contribution to the age of exploration and his efforts to foster maritime exploration, map-making, and cartography.

To learn more about Prince Henry and his achievements, you can follow these steps:

1. Start by searching the internet using a reliable search engine like Google or Bing.
2. Enter "Prince Henry the Navigator" as your search query.
3. Look for credible sources such as reputable history websites, scholarly articles, or books.
4. Consider checking sources like Encyclopedia Britannica, National Geographic, or history institutions.
5. Read through the information provided to get a comprehensive understanding of Prince Henry's life and accomplishments.

Prince Henry played a crucial role in promoting the exploration of the African coast, which ultimately led to Portuguese dominance in the Age of Discovery. He established a school of navigation where he gathered scholars, sailors, and cartographers to study navigation techniques, shipbuilding, and map-making. His navigators played a pivotal role in discovering new trade routes and territories, expanding Europe's knowledge of the world.

It's worth noting that Prince Henry himself did not actively participate in the voyages; instead, he provided the support and resources necessary for maritime exploration to flourish. By his patronage, he significantly contributed to the opening of new trade routes and the expansion of European influence across the globe.