Here are a number of 1919 Thomas Moran paintings of oceans or water and cliffs listed also by year. Moran did quite a few of these every year. Search for the ones with only 1919 first to see if it is listed correctly.
Because the British & Commonwealth countries count the days from the start of the war on 04 August 1914 until the official surrender documents were signed on: 28/06/1919: The Treaty of Versailles is signed in Hall of Mirrors at Versailles, officially...
I think you've got the date and Lord Thomson's job incorrect! In 1930, the R101 crashed near Beauvais, France on its second major proving flight (between London and Karachi, which was then part of India). Lord Christopher Thomson was the Secretary of...