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 Springs Geyser Trail passed through Soda Springs. At the time it was known as the "Oasis of Soda Springs". Between Fort Laramie and Fort Boise, Soda Springs was a major landmark and is the second oldest settlement in Idaho. Sulphur Springs was the first hot spring that the Oregon Trail immigrants encountered in the soda springs area. Pyramid springs was discovered by fur trappers and pioneers, they discovered the springs by noticing mounds of soda formed rock and clay. Johnkirk Townsends said in his diary, “Our encampment on the 8th was near what are called the’White Clay pits,” still on Bear River.