Tun daga shekara ta 1718, jigilar kaya zuwa yankunan Amurka ya kasance hukunci ne ga laifuka daban-daban a Burtaniya, tare da kimanin fursunoni dubu daya a kowace shekara a fadin Atlantic. An tilasta wa gwamnatin Burtaniya ta nemi wani wuri na madadin bayan asarar yankuna goma sha uku a cikin 1783, gwamnatin Burtaniya ta juya zuwa ƙasashen da aka gano na Australiya. Yankin Australiya ya gano ga Turawan Turai ta hanyar mai binciken Dutch Willem Janszoon a 1606 kuma kamfanin Dutch East India Company ya kira shi New Holland, amma babu wani yunƙuri na mulkin mallaka. A shekara ta 1770 James Cook ya gano gabar gabashin Australia yayin da yake tafiya zuwa Kudancin Pacific Ocean, ya yi ikirarin nahiyar don Birtaniya, kuma ya kira shi New South Wales. A shekara ta 1778, Joseph Banks, mai kula da gandun daji na Cook a kan tafiya, ya gabatar da shaida ga gwamnati game da dacewa da Yammacin Botany Bay don wani yanki na azabtarwa a fadin Atlantic. A farkon shekara ta 1840, Captain William Cook ya ci gaba da tafiya zuwa Birnin Tasmania da New Zealand, musamman a lokacin da yawon shakatawa na Birnin Tas
Shekara ta 1868