Premise: Warren O. "Wedge" Grimm (March 9, 1888 – November 11, 1919) was an All-American at the University of Washington and an officer in the United States Army, he served with distinction as part of the American Expeditionary Force Siberia stationed in Russia in 1918–19. He was killed on November 11, 1919 during the Centralia Massacre in Washington State.
Hypothesis: Warren O. "Wedge" Grimm spent his 31st birthday in Russia.