1521 in science
# 1521 in science

The year 1521 in science and technology included many events, some of which are listed here.

## Astronomy

* January – Antonio Pigafetta, sailing with Magellan's expedition, observes Magellanic Clouds.

## Exploration

* Francisco de Gordillo explores the Atlantic coast up to South Carolina.
* March 6 – Ferdinand Magellan discovers Guam in the Mariana Islands.
* March 16 – Magellan reaches the Philippines.
* April 7 – Magellan arrives at Cebu Island.
* November 8 – Magellan's expedition, now led by Juan Sebastián Elcano, arrives in the Maluku Islands.

## Medicine

* Jacopo Berengario da Carpi publishes Commentaria cum amplissimus additionibus super anatomiam Mundini in Bologna, containing the first printed anatomical illustrations taken from nature and including observation of the vermiform appendix.

## Births

* Valentin Mennher, German mathematician (d. c.1571).
* approx. date – Richard Chancellor, English Arctic explorer (drowned 1556).

## Deaths

* April 27 – Ferdinand Magellan, Portuguese explorer (born c.1480) (killed in the Philippines).
* July 8 – Jorge Álvares, Portuguese explorer.
* Francisco Serrão, Portuguese explorer.
