UnScramble this Word: i t i t t e b s?

Questions

Prior to their 1999 UK number 1 hit 'Maria', which record was Blondie's last number 1 in the UK singles chart?

Which band were named after a 1950 film starring Bette Davis, Anne Baxter, George Sanders and Celeste Holm?

Which mythical land was supposed to lie between Cornwall and the Scilly Isles?

Which car manufacturer takes its name from the Latin for 'I roll'?

The battlefield of Austerlitz is in which modern day country?