18th-century cannons retrieved fromshipsresting on Baltic Sea bottomWashington PostBy AP, WARSAW, Poland— Polish explorers have retrieved three 18th-century cannons fromshipwrecks resting on the Baltic Sea bottom. Iwona Pomian, an expert at the Main Sea Museum in Gdansk, said Monday the three Swedish cannons bear the minting date...18th-century cannons retrieved from BalticSan Jose Mercury NewsCannons Baltic Sea Shipwreck: Three 18th-Century Cannons Recovered...Newser18th-century cannons retrieved from BalticKansas City Star110 haber makalesinin tümü »