The Children and the Wall The Giants of Westeros and the Small People war. At some point the Small People raise a wall of ice to stop the Giants entering the south of westeros. Many centuries later the First Men arrive in Westeros. They war with the last giants south of the Wall and the Small People over what little land there is. A thousand years later the Children of the Forest, as the First Men call the Small People, agree to raise land from the sea to provide farming land for the First Men. The Children then retreat to the forests allotted to them by the pact . The First Men begin manning the Wall from this time, both to prevent the last giants from invading the south and to prevent migration to the north by men. The Raising of the Land creates an imbalance in nature and the result is the Long Night and the first appearance of the Others . A Rough Chronology Note PC=Pre-Conquest AC=After Conquest ...