1531 in science

The year 1531 in science and technology included many events, some of which are listed here.

Astronomy

 * Halley's Comet makes its only appearance this century (Perihelion: August 26).

Earth sciences

 * January 26 – Lisbon, Portugal, is hit by an earthquake.

Technology

 * Autumn – Kõpu Lighthouse first lit on the Estonian island of Hiiumaa; it will remain in continuous use into the 21st century.

Births

 * June 1 – János Zsámboky, Hungarian physician and scholar (died 1584)
 * Agostino Ramelli, Italian engineer (died c. 1600)

Deaths

 * February 16 – Johannes Stöffler, German mathematician (born 1452)
 * March 28 − Nicholas Leonicus Thomaeus, Italian scholar and professor of philosophy (born 1456)
 * prob. date – Antonio Pigafetta, Italian circumnavigator (born c. 1491)