Timeline of United States discoveries exhaustive searching, it was in 1984 that world headlines were made when American archeological explorer Barry Clifford found the only solidly-identified pirate shipwreck ever discovered, the "Whydah". Two-hundred thousand artifacts and sunken treasures were discovered in the shipwreck as well. 1985 Puck 1985 RMS "Titanic" wreckage The RMS "Titanic" was an "Olympic" class passenger liner owned by the White Star Line and was built at the Harland and Wolff shipyard in Belfast, in what is now Northern Ireland. At the time of her construction, she was the largest passenger steamship in the world. Shortly before midnight on April 14, 1912,
Wreck of the RMS Titanic objects. A joint Russian-Canadian-American expedition took place in 1991 using the research vessel "Akademik Mstislav Keldysh" and its two "MIR" submersibles. Sponsored by Stephen Low and IMAX, CBS, "National Geographic" and others, the expedition carried out extensive scientific research with a crew of 130 scientists and engineers. The "MIRs" carried out 17 dives, spending over 140 hours at the bottom, shooting of IMAX film. This was used to create the 1995 documentary film "Titanica", which was later released in the US on DVD in a re-edited version narrated by Leonard Nimoy. IFREMER and RMS Titanic Inc., the successors to the