Misc: What name did Octavius adopt on becoming the first Roman Emperor in 27 B.C.?

Questions

John Lennon's middle name was?

Over ________ different languages are spoken throughout what used to be known as the Soviet Union?

The 3 largest newspaper circulations are?

There are ______ semihemidemisemiquavers in a breve?

The subject of the first printed book in England was?