Before the invasion of the British, Australia was inhabited by approximately 400,000 Aborigines who lived in small hunter-gathered clans. Due to wars that occupied the French and Dutch, British was the undisputed colonizer of that time. British courts transferred convicts to their Australian colonies where they severed long years of hard labor. Humans have inhabited Australia for around 100,000 years. The first inhabitants migrated from Southeast Asia and lived there for 40,000 years before the British invaded. They developed a complete culture by the 18th century that was negatively impacted by the settlement of the Europeans. The first settlement was a British perish colony that established six colonies. The Europeans incorporated their