The people of Nineveh believed God. They decided to stop eating for a time to think about their sins. They put on special clothes to show they were sorry. All the people in the city did this, from the most important to the least important.
The king wrote a special message and sent it throughout the city: A command from the king and his great rulers: For a short time no person or animal should eat anything. No herd or flock will be allowed in the fields. Nothing living in Nineveh will eat or drink water.
But every person and every animal must be covered with a special cloth to show they are sad. People must cry loudly to God. Everyone must change their life and stop doing bad things.
God saw what the people did. He saw that they stopped doing evil. So God changed his mind and did not do what he planned. He did not punish the people.