Russian hospital ship Portugal. Image courtesy http://www.messageries-maritimes.org/portugal.htm
- The Russian hospital ship Portugal is torpedoed without warning by German submarine U-33 in the Black Sea off Rizeh, Turkey. The Portugal breaks in two and sinks. Even though the vessel is not transporting wounded at the time, 96 Red Cross doctors and nurses plus 19 crew perish
- Russian forces drive the German army back over the River Oldenevitz in modern day Belarus
