But while staying in Olsztyn, Copernicus was engaged not only in science and administration. In 1520, he prepared the city for - attention! - defense against the Teutonic invasion! This came at the beginning of the following year and, thanks to efficient management, was bravely repelled. The monks' troops failed to breach the city walls, and Copernicus was hailed as the defender of Olsztyn.

The characteristic monument by Urszula Szmyt was unveiled in 2003, on the occasion of the 650th anniversary of the city and the 530th birthday of Copernicus. Some say that the astronomer looks at the sky, others that he looks at the castle where he spent many years of his life. Regardless, it's hard to find better company to admire the heart of old Olsztyn together...