"Supply" reached Botany Bay on 18 January 1788; the three fastest transports in the advance group arrived on 19 January; slower ships, including "Sirius", arrived on 20 January.This was one of the world's greatest sea voyages – eleven vessels carrying about 1,487 people and stores had travelled for 252 days for more than 15,000 miles (24,000 km) without losing a ship.