Willem Janszoon (c. 1570–1630), Dutch navigator and colonial governor, is the first European known to have seen the coast of Australia. His name is sometimes abbreviated to Willem Jansz. (with or without the full stop). Janszoon served in the Netherlands East Indies for several periods (1603–11, 1612–16, including a period as governor of Fort Henricus on Solor.
Read more about Willem Janszoon: Early Life, Exploration, Political Life, Records