"Monday, June 2 [1919], was a holiday in the 2nd Division in the bridgehead on the Rhine. The anniversary of the battle of Chateau-Thierry was observed. It is just a year ago that infantry and Marines of the 2nd Division were thrown against the Boche on the Paris-Metz road near Chateau-Thierry, and from that moment on the Americans were in continual fighting until November 11."
More articles about the Battle of Chateau Thierry can be read here.