Which of these events was the first to take place?

1. magellan sails around the world.

2. the first crusade is launched.

3. marco polo returns from china.

4. columbus sails to the americas.

the answer is 2. the first crusade

Explanation:

it was between 1096 – 1099

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.