Marie Depage was killed during an event that occurred in what year?
Marie Depage:  She was killed in the sinking of the RMS "Lusitania", and she is commemorated in Belgium alongside the British nurse Edith Cavell Sinking of the RMS Lusitania: The sinking of the Cunard ocean liner RMS "Lusitania" occurred on Friday, 7 May 1915 during the World War 1, as Germany waged submarine warfare against the United Kingdom which had implemented a naval blockade of Germany.
1915