Aug 19 1917 9.2-inch howitzer and the gunners of the Royal…

Aug 19 1917 9.2-inch howitzer and the gunners of the Royal Garrison Artillery at St. Jean https://t.co/J8H5DbrFF3 https://t.co/ShlLcn1JjM http://twitter.com/ThisDayInWWI/status/898657875588820992