No surviving record of correspondence for this date. The Archive continues through witness accounts and official records.
Location unknown.
The British submarine HMS C33 struck a mine off Great Yarmouth and sank with all hands.

"One of the staff told me shattering news that beloved Billy had been killed. I couldn't believe it, but alas it must be true. I found it in The Times in the evening."

"I Margot Asquith do pledge myself this day not to buy for my own body one single garment till Aug. 4th next year (1916). ... It is a year today since Germany forced all of us... to draw the sword."
Searching 1912–1916 Archive