08/29/1943
https://www.presidency.ucsb.edu...
"May we on Thanksgiving Day and on every day express our gratitude and zealously devote ourselves to our duties as individuals and as a nation."
"The overwhelming benefit which the United States has received from its lend-lease program has... been the pooling of resources and the combined effort of the United Nations against the Axis countries."
"Our total food production for the year is the greatest in the annals of our country."
"Now, Therefore, I, Franklin D. Roosevelt, do hereby designate Thursday, November 25, 1943, as a day for expressing our thanks to God for His blessings."