In 1717, a devastating storm raged for days, leading to widespread flooding in northern Europe. Thousands of people lost their lives in the Netherlands, Germany, and Denmark. History reveals an interesting and customary—for that time—response by at least one local government. The provincial authorities of the Dutch city of Groningen called for a “prayer day” in response to the disaster. A historian reports that the citizens gathered in churches and “listened to sermons, sang psalms, and prayed for hours.”

The prophet Joel describes an overwhelming disaster faced by the people of Judah that also led to prayer. A massive swarm of…