June - Tycho Brahe is not allowed to make observations from The Watermill Tower, and he is not allowed to perform chemical experiments at his house in Farvergade.
June 1 - Tycho writes a recommendation supporting Longomontanus, who is planning to study in Germany.
Yaqob succeeds his father Sarsa Dengel as Emperor of Ethiopia.
The first edition of Francis Bacon's Essays is published.
12 million pesos of silver cross the Pacific. Although it is unknown just how much silver flowed from the Spanish base of Manila in the Philippines to the Ming Dynasty of China, it is known that the main port for the Mexican silver trade—Acapulco—shipped out 150,000 to 345,000 kg (4 to 9 million teals) of silver annually from this year to 1602.