The questions
1 Who used to celebrate the anniversary of his 1658 kidney stone operation?
2 Virgil and Beatrice were whose poetic guides?
3 Which country is currently in its Reiwa era?
4 Who is the only driver to win world titles on two and four wheels?
5 Under what rural-sounding name did Amanda Owen find fame?
6 Which river flows from Black Forest to Black Sea?
7 Who is the Hindu creator god?
8 Cartoonist Rube Goldberg was the US counterpart of which British artist?
What links:
9 Lariat; opera; matinee; princess; choker?
10 Olly Alexander; Simon Le Bon; Karen O; Marti Pellow; Katie White?
11 A Room of One’s Own; The Common Reader; Thoughts on Peace in an Air Raid?
12 46656; 3125; 256; 27; 4; 1?
13 Image orthicon tube; gramophone; Margaret Herrick’s uncle (possibly); Antoinette Perry?
14 Viv Anderson, 1978, and Kerry Davis, 1982?
15 Buchanan Castle; Tower of London; Spandau prison?