Misc: What is the name of the gold-mining town in the musical Paint Your Wagon?

Questions

In 1818 Congress decided US flag is 13 ---------- and white stripes and 20 stars. ?

In 1823 Karl Wilhelm ---------- inventor (laid undersea cables), born. ?

In 1841 William Henry ---------- dies of pneumonia and becomes the first U.S. president to die in office. ?

In 1858 Asteroid 54, ---------- discovered (named for goddess of silence) ?

In 1860 ---------- begins service, from St. Joseph, Missouri. ?