(1923) The first historical mention of Spreitenbach was in the year 1124. Along with many convents, the most distinguished landholders were the Knights of Schönenwerd (in Dietikon). They were forced to sell all of their farms to the
Wettingen Abbey between 1274 and 1287. In 1415 the
Old Swiss Confederacy conquered Aargau and Spreitenbach was made part of the district of Dietikon in the
County of Baden, a unit in the confederacy. In 1541 the Wettingen Abbey acquired
low justice. In 1670 and again in 1785, many of the houses in the town were destroyed in fires. In March 1798, France invaded Switzerland and declared the
Helvetic Republic. Spreitenbach became a municipality in the short-lived
canton of Baden; since 1803 the municipality has been in the canton of Aargau. On August 9, 1847 the railway between Zurich and Baden was opened. The citizens of Spreitenbach lobbied for the path to go far to the side of the city; for this reason, the nearest station today is in the municipality of
Killwangen, although it has about seven times fewer residents. Industrialization began in 1862 with the opening of a cotton spinning works. In the 1950s, Spreitenbach was still a quiet farming town with a small business community and a gliderport. However, a major construction boom followed. In the canton of Zurich, then forbidding
concubinage (i.e. unmarried cohabitation, banned until 1972), the demand rose for housing in the canton of Aargau, especially in Spreitenbach. This was in addition to the general housing demand, which rose due to the population growth of the Zurich area. A "New Spreitenbach" was planned and built. It was planned as a
satellite city: a string of high-rise developments and designated commercial and industrial zones. In the middle of the 1960s, the planners anticipated a population of 35,000 and 20,000 jobs at the end of the construction. Because of the
oil embargo and the economic crisis of the 1970s, the vision changed to a more modest development. In 1981 a new construction zone plan was designated, which had a less dense settlement plan and turned away from high rises. In 1970 the first American-style
shopping mall in Switzerland opened. In 1974, a second, larger one followed. Spreitenbach served as a negative example for
urban sprawl on the
Swiss Plateau. Between 1960 and today, the population has more than quintupled. No other municipality in the canton has registered such a large growth in recent times. == Coat of arms ==