From Action 2000 to Hollywood on the Tiber, test your knowledge with the Saturday quiz

1 What is the world’s largest capacity hydroelectric dam?
2 Action 2000 was a campaign to warn about what issue?
3 Who did Byron describe as “Britannia’s god of war”?
4 Why will Piano Day be celebrated on 29 March this year?
5 Caitlin Clark is a US star of which sport?
6 Which film studio was nicknamed Hollywood on the Tiber?
7 Stamps with “Island” on them come from which country?
8 Which comedy festival debuted in Montreal in 1982?
What links:
9 Montgomery Clift; Marilyn Monroe; Diana, Princess of Wales?
10 Chew Valley; Galloway; Hoxne; Staffordshire; Vale of York?
11 Thomas Edison; Lloyd George; John Higgins; Stanley Matthews; Simon Whitlock?
12 Bare; dear; hair; links; mousse; wail?
13 Greyfriars Bobby; Hallam Foe; The Body Snatcher; The Prime of Miss Jean Brodie; Trainspotting?
14 Kings County, NY; killed Tybalt; Spanish Oscar-winner; 22nd Canadian prime minister?
15 Less than 80 decibels; no more than 12 seconds; not before 12 noon or after 7pm?