With the country already in a state of civil war, Mexico's governmental Convention convened its last meeting.
The RM Amalfi was sunk by the German submarine UB-15.
The Italians failed to break through Austro Hungarian lines in the Alps.
A bomb planted by Eric Muenter, who had already killed himself, exploded on the munitions ship SS Minnehaha. Damage was minor.
Swedish diplomat Cossva Anckarsvärd, stationed in Constantinople, reported to his government that "persecutions of the Armenians have reached hair-raising proportions". He predicted Armenian extermination.
Tornadic weather hit Kentucky hard. A major windstorm caused significant damage in Cincinnati.
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