3,000 BC
2,500 BC
2,000 BC
1,500 BC
1,000 BC
500 BC
0
500
1,000
1,500
2,000
America
2
Leif Ericson was a Norse explorer known to be the first European to have landed in North…
Charles Robert Darwin was an English naturalist who realised and presented compelling evidence…
Europe + Africa + Middle East
2
Gaius Julius Caesar is remembered as one of history's greatest generals and a key ruler of the…
Henry the Navigator was an infante of the Kingdom of Portugal and an important figure in the…
Asia + Oceania
3
The Silk Road is an extensive interconnected network of trade routes across the Asian…
Zhang Qian (d. 113 BC) was a Chinese official and diplomat who served as an imperial envoy to…
Marco Polo was a Christian merchant from the Venetian Republic whose travels are recorded in…