Marine archaeologists have made a significant discovery off South Australia’s coast, uncovering the Koning Willem de Tweede wreck in Guichen Bay near Robe. Announced on 7 May 2025, the find marks the end of a 168-year mystery since the ship was lost on 30 June 1857. The vessel, preserved beneath the seabed, provides a window into 19th-century maritime trade and migration, particularly during Australia’s gold rush era. The Koning Willem de Tweede, an 800-tonne Dutch merchant sailing ship, was a three-masted barque designed for long-distance trade. On its final voyage, it carried 374 Chinese passengers from Hong Kong to Melbourne,…