March 31, 1920. Hoover reluctantly tosses hat in ring.

Herbert Hoover, on this day in 1920, reluctantly indicated that he'd take the GOP nomination, if it was offered.

In Washington, Congress was continuing on with its investigation into nearly everything concerning the U.S. military and the late war.

On this occasion, Gen. W. W. Harts, currently serving as Chief of Staff of the American occupation forces in Germany, was recalled to Washington to testify concerning charges that military prisons in Paris were cruel during the war.  They had been in his wartime district.

The testimony must have gone okay, as Harts continued on, and to rise, in the Army, retiring in 1930.  He died at age 94 in 1961.

Elsewhere in Washington, government officials were photographed out on the sidewalk in what appeared to be a clear, if perhaps cool, day.