1515 in science

Astronomy

• A year in which Earth's so-called "second moon" Cruithne makes a closest approach to earth. The two are in 1:1 orbital resonance. This next happens about 1903; the following occasion will be in July 2292.

  Cartography

• First Johannes Schöner globe produced.

Zoology

• May 15 – An Indian rhinoceros arrives in Lisbon, the first to be seen in Europe since Roman times.

  Births

• February 18 – Valerius Cordus, German physician and botanist
• Cristóbal Acosta, Portuguese physician and natural historian
• Giorgio Biandrata, Italian court physician
• Petrus Ramus, French logician
• Johann Weyer, Dutch physician and occultist
• approx. date – Leonard Digges, English mathematician and surveyor

  Deaths

• Alonso de Ojeda, Spanish navigator
• Andreas Stoberl, Austrian astronomer, mathematician and theologian