09/17/1919
https://www.presidency.ucsb.edu...
"I do hereby proclaim Thursday, the thirtieth day of May, a day already freighted with sacred and stimulating memories, a day of public humiliation, prayer and fasting"
"The functions of the Council shall be as follows:"
"to pray Almighty God that He may forgive our sins and shortcomings as a people and purify our hearts to see and love the truth"
"it being a duty peculiarly incumbent in a time of war humbly and devoutly to acknowledge our dependence on Almighty God and to implore His aid and protection"