<p>Shortly before his death, 150 years ago, King William I of Wurttemberg gave the royal forestry commission in the country an unusual mission, the preparation and realization of which, lead to a diversity of results which was without parallel.<br><br>The discovery of the giant sequoia trees in North America in the middle of the 19th century caused a sensation, which King William I as a nature lover took as an opportunity to have seeds of these e...