useless trivia: What Word Means: A Tupian People Of The Xingu River Basin?

Questions

In 1910 Passage of ---------- through tail of Halley's Comet causes near-panic.?

In 1912 Perry ---------- singer/TV (Perry Como Show, What did Delaware?), born.?

In 1919 Dame Margot ---------- England, ballerina (partner of Nureyev), born.?

In 1960 Yannick ---------- France, tennis player (French 1983), born.?

In 1965 Gene ---------- suggests 16 names including Kirk for Star Trek Captain.?