The commanding general's order followed reports that American soldiers had taken up the habit on the Mexican border, where troops under General Pershing were stationed in 1916. An army doctor later recalled that the first white smokers he saw were guardsmen back from Mexico.[1]
Listed for context. No score change is recorded for United States here.
References
- The Marijuana Conviction: A History of Marijuana Prohibition in the United StatesRichard J. Bonnie, Charles H. Whitebread II · The Lindesmith Center · 1999 · chapter 2, p. 35 · ISBN 1891385062
Checked. The date and the event were compared with a source that was read.