UnScramble this Word: i s e n c o s?

Questions

half years who made her show business debut at the age of 2 1/2 as part of her family's vaudeville act on the 'new grand theater stage'?

heston the american flag first flew over a foreign fort in what country?

hillary what bird lays an egg that is roughly a quarter of its body weight?

whose album was waking up the neighbours?

from which country does bjork come?