In 602 or 603, Gaidoald and fellow duke Gisulf I of Friuli made peace with king Agilulf in what Paul the Deacon refers to as a "year of peace".
En 602 ou 603, Gaidoaldo e o duque Xisulfo I de Friúl fixeron a paz co rei Axilulfo no que Paulo Diácono chama un "ano de paz".