British Agricultural Revolution far apart. Alternately seeds could be laboriously planted one by one using a hoe and/or a shovel. Cutting down on wasted seed was important because the yield of seeds harvested to seeds planted at that time was around four or five. The seed drill was introduced from China to Italy in the mid-16th century where it was patented by the Venetian Senate. Jethro Tull invented an improved seed drill in 1701. It was a mechanical seeder which distributed seeds evenly across a plot of land and at the correct depth. Tull's seed drill was very expensive and fragile and therefore
Anno 1701 were a target demographic for "Anno 1701". Upon release, "Anno 1701" broke sales records to become the fastest-selling German computer game ever, with more than 200,000 units sold in German-speaking countries during its debut two weeks. In response, Sunflowers forecast 500,000 sales by the end of 2006. It ultimately finished the year with sales of 320,000 copies in the German market alone, for revenues of €12.7 million. This placed it second for 2006, behind "World of Warcraft" at 345,000 units. On March 23, 2007, Sunflowers announced an add-on called "Anno 1701: The Sunken Dragon". It includes new features, new missions,