From Curthose, Rufus and Beauclerc to ‘the Somme with Santana’, test your knowledge with the Saturday quiz

1 Which country is named after the creator god Ptah?

2 What did music writer David Hepworth call “the Somme with Santana”?

3 Which wildlife census attracts more than half a million participants each January?

4 What is the largest blood vessel in the body?