The Herøya plants were heavily damaged and many lives were lost in the air attack in the summer of 1943. 1943: First taste of cold metal @(margin ? "h2" : "h3")>
Hydrostrand, near the Åby and Rogn fjords, is an area of nearly 1300 decares. Cabins and camping facilities have been added over the years, as well as a shop and a cafeteria. This has become a popular holiday destination, especially in the hot summer months. 1939: Holidays at Hydros cabins @(margin ? "h2" : "h3")>
Menstad was an important storage and reloading point for Hydro. 1931: Labor conflict @(margin ? "h2" : "h3")>
The big party: Hydro's employees were invited to a big party when the Telemark expansion was completed. Four days later the New York stock exchange crashed. 1930: Cooperation and market shares during the depression @(margin ? "h2" : "h3")>