Name The Year: Katanga becomes part of the Democratic Republic of the Congo.?

Questions

In 1872 Bertrand ---------- England, mathematician/philosopher (Nobel 1950), born.?

In 1897 Frank ---------- movie director (Its a Wonderful Life, Arsenic & Old Lace), born.?

In 1900 Britain proclaims protectorate over kingdom of---------- .?

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.?