Misc: Who is the patron saint of peasants?

Questions

During which war did the battles of The Modder River, Majuba and Magersfontein take place?

What was Verdi's last Opera, first performed in 1893?

Which chemical element has the ancient name Stannum?

Who wrote a diary entitled "Five Years of my Life" at the beginning of this century?

Which "fishy" character, in an opera by Benjamin Britten, is elected May King, spending his prize money on a debauch?