Christopher Columbus is widely credited with discovering America in 1492, although there is evidence that Leif Erikson may have reached North America earlier.

Columbus's first voyage to America in 1492 was made on three ships: the Santa Maria, the Pinta, and the Niña.

Columbus's voyage to America was motivated by a combination of factors, including the desire to find a new route to Asia, to spread Christianity, and to find gold and other riches.

Columbus's voyage to America had a profound and lasting impact on the world. It led to the European colonization of the Americas, the introduction of new crops and animals to Europe, and the spread of diseases to the Americas.

Ferdinand Magellan was the first person to circumnavigate the globe, completing his voyage in 1522. He was killed in the Philippines during the voyage, but his ship, the Victoria, completed the journey under the command of Juan Sebastián Elcano.

Magellan's voyage around the world was motivated by the desire to find a new route to Asia, which was believed to be a source of valuable spices and other goods.

Magellan's voyage around the world had a profound and lasting impact on the world. It proved that the Earth was round, opened up new trade routes between Europe and Asia, and led to the European colonization of the Americas.

Robert Peary was the first person to reach the North Pole, arriving on April 6, 1909.

Peary's expedition to the North Pole was motivated by the desire to be the first person to reach the North Pole.

Peary's expedition to the North Pole had a profound and lasting impact on the world. It proved that the North Pole was reachable, opened up new trade routes in the Arctic, and led to the development of new technologies for polar exploration.

Roald Amundsen was the first person to reach the South Pole, arriving on December 14, 1911.

Amundsen's expedition to the South Pole was motivated by the desire to be the first person to reach the South Pole.

Amundsen's expedition to the South Pole had a profound and lasting impact on the world. It proved that the South Pole was reachable, opened up new trade routes in the Antarctic, and led to the development of new technologies for polar exploration.

Neil Armstrong was the first person to walk on the moon, doing so on July 20, 1969.

The Apollo 11 mission to the moon was motivated by the desire to be the first humans to walk on the moon, to study the moon's surface, and to collect samples of moon rocks.

The Apollo 11 mission to the moon had a profound and lasting impact on the world. It proved that humans could travel to the moon, led to the development of new technologies for space exploration, and inspired a new generation of scientists and engineers.