1606 in science

The year 1606 in science and technology involved some significant events.

Cryptography

• The cryptographic text Steganographia, written by Johannes Trithemius c.1499/1500, is published in Frankfurt.

Exploration

• February 26
• Dutch navigator Willem Janszoon makes the first confirmed sighting of Australia by a European.
• Pedro Fernandes de Queirós discovers the Pitcairn Islands.
• March – The Dutch ship Duyfken, under Captain Willem Janszoon, explores the western coast of Cape York Peninsula.
• May – Pedro Fernandes de Queirós discovers the islands of Vanuatu; believing them to be Australia, he names them '.
• October – Luís Vaz de Torres is the first European to sail through the Torres Strait.