Oddly, on May 5. . . .

1918, the anniversary of a the Battle of Peubla, an event which has become widely celebrated in the US under the mistaken belief that it's Mexico's independence day, the Cheyenne State Leader was reporting that Germans were "flocking to Mexico" to "stir up population".

So even in the midst of the Spring Offensive of 1918, concerns over Mexico managed to get back on the front page.