Historical and old photos of Ski, Akershus
Archeologically, remains from settlements dating as far back as 11,000 years have been found in the Ski and Ås areas. Stone age tools are still being found when fields are ploughed, and Ski has more than 300 registered ancient historical artifacts.
From the Middle Ages and up to modern times the areas of Kråkstad and Ski were originally administered as medieval church parishes, and each have a medieval stone church from the 1150s. During the 19th century, Kråkstad was the political and administrative centre of the municipality.
On July 1, 1931 the rural, but rapidly growing municipality of Kråkstad was split into two separate municipalities. The village of Ski was chosen as the administrative centre of the northern part, thus giving its name to the new municipality. The village of Kråkstad remained the administrative centre of the southern part, retaining its original name.
By 1964 Ski had developed into a busy town and trading hub for the surrounding, rural areas. Ski municipality had by far outgrown its southern neighbour economically and population-wise. Consequently, on January 1, Kråkstad was officially absorbed into Ski municipality, ceasing to be a municipality of its own. Today, the name "Kråkstad" simply refers to the village, just southeast of the much larger town of Ski.