John Maxwell writes in his book, Partners in Prayer;
"In the summer of 1876, grasshoppers nearly destroyed the crops in Minnesota. So in the spring of 1877, farmers were worried. They believed that the dreadful plague would once again visit them and again destroy the rich wheat crop, bringing ruin to thousands of people.
The situation was so serious that Governor John S. Pillsbury proclaimed April 26 as a day of prayer and fasting He urged every man, woman and child to ask God to prevent the terrible scourge.
On that April day all schools, shops, stores and offices were closed. There was a reverent, quite hush over all the state.
The next day dawned bright and clear.
Temperature soared to what they ordinary were in midsummer...