Explain the following statements with reasons.
Complete the following table.

• In 1488, Portuguese explorer Bartolomeu Dias (c. 1450-1500) became the first European mariner to round the southern tip of Africa, opening the way for a sea route from Europe to Asia.
• October 12, 1492, Italian explorer Christopher Columbus officially set foot in Americas. He led the first European expeditions to the Caribbean, Central America, and South America.
• Vasco Da Gama arrived in Kappadu near Kozhikode (Calicut), in Malabar Coast (present-day the Kerala state of India), on 20 May 1498.
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