What was the name of the first steamship in the world to cross the Atlantic Ocean?
May 22 - United States National Maritime Day
National Maritime Day is a United States holiday created to recognize the maritime industry. It is observed on May 22, the date in 1819 that the American steamship Savannah set sail from Savannah, Georgia on the first ever transoceanic voyage under steam power. The holiday was created by the United States Congress on May 20, 1933.