Mannheim of 1848, the city was a centre for political and revolutionary activity. In 1865, Friedrich Engelhorn founded the "Badische Anilin- und Soda-Fabrik" (Baden Aniline and Soda Factory, BASF) in Mannheim, but the factory was constructed across the Rhine in Ludwigshafen because Mannheim residents feared air pollution from its operations. From this dye factory, BASF has developed into the largest chemical company in the world. After opening a workshop in Mannheim in 1871 and patenting engines from 1878, Karl Benz patented the first motor car in 1886. He was born in Mühlburg (now part of Karlsruhe). The Schütte-Lanz company, founded by
Soda bread and reliably, without requiring the time-consuming skilled labor and temperature control needed for traditional yeast breads. During the early years of European settlement of the Americas, settlers and some groups of Indigenous peoples of the Americas used soda or pearl ash, more commonly known as potash (pot ash) or potassium carbonate, as a leavening agent (the forerunner to baking soda) in quick breads. In the US, soda breads were first publicised by Amelia Simmons as a quick and cheap method of bread making in her book "American Cookery", published in 1796. By 1824, "The Virginia Housewife" by Mary Randolph was