page_title: List of shipwrecks in 1921
section_title: 21 July
hierarchical_section_title: List of shipwrecks in 1921 / July / 21 July
caption_attribution_description: English: Battleship Ostfriesland, 20-21 July 1921, attacked by Marine Corps, Navy, and Army planes.
context_page_description: The list of shipwrecks in 1921 includes ships sunk, foundered, grounded, or otherwise lost during 1921.
caption: USS Ostfriesland sinking
exif: {}