People who may have discovered North America?

There are several groups of people who may have discovered North America before Christopher Columbus's voyage in 1492.

1. Paleo-Indians:

- The Paleo-Indians were the earliest known inhabitants of North America, arriving around 15,000 to 10,000 years ago. They crossed over the Bering Land Bridge, a land connection between Siberia and Alaska, which was exposed during the last ice age.

2. Vikings:

- Norse explorers, led by Leif Erikson, are believed to have reached North America around the year 1000 CE. They established a short-lived settlement in Newfoundland, which they called Vinland.

3. Chinese Explorers:

- There is some evidence suggesting that Chinese explorers may have reached the Americas before Columbus. Records from the Ming Dynasty mention a Chinese admiral named Zheng He who led several voyages to the Indian Ocean and possibly beyond.

4. Irish Monks:

- Some historians believe that Irish monks may have traveled to North America before the Vikings. There are stories and legends of Irish monks, such as St. Brendan, who sailed across the Atlantic Ocean and discovered new lands.

It's important to note that while there is evidence of pre-Columbian transoceanic contact, these early discoveries did not result in sustained European settlement or significant cultural exchange until Columbus's voyage in 1492.