The questions

1 What originated in the 1989 document Information Management: A Proposal?

2 What form of slang was named from “to talk” in Italian?

3 Which snooker player has made more than 1,000 century breaks?

4 What African river has Black, White and Red branches?

5 Where are the hammer, anvil and stirrup?

6 What was the largest hippodrome in Rome?

7 Which two elements begin with the letter Z?

8 Sacagawea interpreted for which pair of explorers?

What links:

9 Vallabhbhai Patel, India (1st); Buddha, China (2nd); Buddha, Burma (3rd)?

10 Glinka Trio; Tchaikovsky Symphony No 6; Beethoven Piano Sonata No 8?

11 Cog; fluyt; hoy; junk; snow; xebec?

12 Montgomery, AL; Richmond, VA; Danville, VA (1861-5)?

13 Kristen Roupenian story; Selina Kyle; Simone Simon as Irena Dubrovna?

14 Food regimen; neap or spring; prepare text; attached or scores level?

15 Austria and Japan (E); Australia (S); Norway (N)?

Facebook Twitter Pinterest Which snooker player has made more than 1,000 century breaks? Photograph: Getty Images

The answers

1 World wide web (Tim Berners-Lee at Cern).

2 Polari.

3 Ronnie O’Sullivan.

4 Volta.

5 Middle ear (bones: malleus; incus; stapes).

6 Circus Maximus.

7 Zirconium and zinc.

8 Meriwether Lewis and William Clark.

9 Tallest statues in the world.

10 Pathétique.

11 Types of sailing vessel.

12 Confederate capitals.

13 Cat folk: Cat Person; Catwoman character; Cat People film.

14 Anagram: diet; tide; edit; tied.

15 Countries whose names refer to their location (compass point).