Misc: In what year did Charles Richter invent the Richter scale?

Questions

Ivan the terrible claimed to have 'deflowered thousands of virgins and butchered a similar number of resulting?

Before the Second World War, it was considered a sacrilege to even touch an?

An American aircraft in Vietnam shot ______ down with one of its missiles?

Ancient drinkers warded off the devil by _____ their cups?

The cost of the first pay-toilets installed in England was?