Misc: ---------- (in hawaii) is generally regarded as the world's most active volcano?

Questions

In 1847 ---------- invents a gas burner. Lab teachers celebrate worldwide. ?

In 1909 Burl ---------- Hunt Ill, folk singer/actor (Cat on a Hot Tin Roof), born. ?

In 1935 ---------- War between Bolivia and Paraguay ends ?

In 1935 Chaco War between ---------- and Paraguay ends ?

In 1935 Chaco War between Bolivia and ---------- ends ?