Dutch, Portuguese, and Spanish ships sighted Australia in the 17th century; the Dutch landed at the Gulf of Carpentaria in 1606. In 1616 the territory became known as New Holland. The British arrived in 1688, but it was not until Captain James Cook's voyage in 1770 that Great Britain claimed possession of the vast island, calling it New South Wales. A British penal colony was set up at Port Jackson (what is now Sydney) in 1788, and about 161,000 transported English convicts were settled there until the system was suspended in 1839