Pres. John Adams, "I have thought proper to recommend, and I do hereby recommend accordingly, that Thursday, the 25th day of April next, be observed throughout the United States of America as a day of solemn humiliation, fasting, and prayer..."
Pres. Abraham Lincoln, "Abraham Lincoln, President of the United States, do appoint the last Thursday in September next, as a day of humiliation, prayer and fasting for all the people of the nation. And I do earnestly recommend to all the People, and especially to all ministers and teachers of religion of all denominations, and to all heads of families, to observe and keep that day according to their several creeds and modes of worship, in all humility and with all religious solemnity, to the end that the united prayer of the nation may ascend to the Throne of Grace and bring down plentiful blessings upon our Country."
Pres. James Madison, "The two Houses of the National Legislature having by a joint resolution expressed their desire that in the present time of public calamity and war a day may be recommended to be observed by the people of the United States as a day of public humiliation and fasting and of prayer to Almighty God for the safety and welfare of these States, His blessing on their arms, and a speedy restoration of peace, I have deemed it proper by this proclamation..."
Mar 9:29 And he said unto them, This kind can come forth by nothing, but by prayer and fasting.