When did the key advances in vehicle suspension happen?

When was the suspension system invented? Automotive Springs — the Backstory The modern automobile suspension system was developed in 1904. Automobile suspension was quickly upgraded in 1906 when front coil springs were mounted on a flexible, hickory axle that dampened spring bounce. Leaf springs were first used on carriages.  What are the advancements in suspension …

How old were the youngest employees of the Russian-American Company?

When was the Russian-American company? 1799 On July 8 (19), 1799 under the order of Paul I there was created a trade association – the Russian-American Company. It was meant for developing the Russian lands in America and the adjoining islands. One of its founders and first directors was a chamberlain Nikolai P. Rezanov. When …

What was the estimated population of the Mississippi Valley before contact with Europeans?

Estimates range from 8–112 million. What was the native population in America before European contact? around sixty million people Prior to the arrival of European explorers in the Americas in 1492, it is estimated that the population of the continent was around sixty million people. What was the population of the Mississippian civilization? At its …