important events that led to establishement of the british colonisation By livvi.heaton@education.nsw.gov.au 1604 enclosure acts began in britain 1760 steam powered machinery was invented.industrial revoloution began 1775 convicts stopped being sent overseas to america 1785 house of commons decided NSW was suitable as a penal colony 1786 captain arthur phillip was chosen to lead the first fleet 1787 the first fleet left on 13th of may 1788 arthur phillip was governor of the colony. 1790 two more fleets arrived 1793 first free colonists arrived 1800 huge growth in population,poverty and crime 1803 western australia would become a third penal colony when the falling settlement requested an injection of convict labourers 1810 govenor lachlen maquarie arrived.construction of roads a buildings began 1911 Australia wholly divided into six colony's