Misc: what prophet led the children of israel to the promised land?

Questions

In 1910 Comet ---------- 's closest approach to Earth.?

In 1910 William ---------- discoverer of stellar nature of Andromeda, dies.?

In 1940 Winston Churchill succeeds ---------- as British PM.?

In 1941 England's House of Commons detroyed in a---------- .?

In 1943 ---------- (Leitch) Scotland, rock singer (Mellow Yellow), born.?