Name The Year: Sir Thomas Lipton tea magnate (Lipton Tea), born.?

Questions

In which Royal residence did both George V and George VI die?

In which war did the battle of Sedan take place?

Who, in 1902, made the first million selling record?

In 1896 the speed limit for horseless carriages was raised from 4 mph to what?

Which chemical element is named after the 1959 winner of the Nobel Prize for Physics?