No surviving record of correspondence for this date. The Archive continues through witness accounts and official records.
Location unknown.
British engineers detonated mines under German trenches at St Eloi, Belgium, beginning the Actions of St Eloi Craters.

"I went for a short walk... and at eleven we got into the car to motor all the way to London. ... I went down to Clonboy by 4.50."
"Just returned from a delightful weekend. ... Late on Saturday morning D. heard that he was to go to Paris... I therefore persuaded him to come down to Dover with us..."

"... Our journey here was quite uneventful... To-day was a perfectly desperate day, during which I attended no less than four conferences..."
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