Misc: What color of mandm is the most prevalent in each bag of mandm's (30%)?

Questions

In 1717 Empress Maria---------- , Austria (Wife of Napolean), born?

In 1842 Sir Arthur---------- , London, England, of Gilbert & Sullivan fame, born?

In 1856 Peter Henry---------- , 1st to promote photography as an independent art, born?

In 1888 Brazil abolishes---------- ?

In 1907 Daphne du ---------- novelist (Rebecca, The Parasites), born?