Ferdinand Magellan
Ferdinand Magellan was the first man to sail around the world, and his crew-mates would be included in that.
115,000 - 11,700 years ago
Answer:
Nationalism caused Serbia to want to absorb all Slavs on the Balkan Peninsula. Russia supported this but Austria-Hungary felt that it would stir up rebellion among it's Slavic population.
Our world would most likely be filled with art and culture more than now. Art, science and such were a big part of Roman culture.