music: 70's Chart Toppers: Name The Artist: Hurts So Good?

Questions

In 1778 Sir Humphry Davy, discovered several ---------- elements ?

In 1790 Aztec calendar stone discovered in ---------- City. ?

In 1791 New York City traffic regulation creates the first ---------- -way street. ?

In 1843 "A Christmas Carol" by Charles ---------- published in London. ?

In 1875 Violent bread riots at---------- . ?