BTFO's Autumn Crossword

3. The name of the heroine in Wagner's 'Bridal Chorus', which celebrated its 153rd anniversary on 28th August. (4)
7. Islamic terrorist group who launched the 9/11 bombings. (2,5)
9. French verb 'to fall' (6)
11. Number of years since happened (6)
13. Grace -------, local heroine famous for rescuing survivors from a shipwreck off the Northumberland coast in September 1838. (7)
16. Capital of Algeria, which celebrates its National Day on 1st November (7)
17. 'Woman in Love' was a #1 hit in Autumn 1980 for this singer: Barbra --------- (9)
18. Friar -------, priest in 'Much Ado About Nothing', which celebrates its 415th anniversary this year. (7)
19. Francois ----------, the 21st President of France from 1981 to 1995, who would have celebrated his 97th birthday on 26th October. (10)
20. President of the United States during (6)
23. The name of the opera in which features (9)
24. Albert -----, Algerian born French philosopher and author of 'The Fall' (5)
25. October 2013 marks the 40th Anniversary of the opening of this Australian opera house (6)

1. German word for October (7)
2. Evangelist whose Feast Day is 18th October, patron saint of students and butchers. (4)
4. Somebody born on the 1st November would have this zodiac sign (7)
5. ----- Islands, site of rescue of (5)
6. US state home to the town 'Leaf River', with capital Springfield. (8)
8. ------- Autumn was a #5 hit for Justin Hayward in August 1978 (7)
10. Premier of the Soviet Union for 15 months from November 1982 (4, 8)
12. ------- McKinley, US President assassinated by Leon Nieman on 14th September 1901. (7)
14. Benjamin -------'s opera, 'The Prodigal Son', celebrates its 45th anniversary this year. (7)
15. Margaret --------, Late former UK Prime-Minister, born 13th October 1925 in Lincolnshire (8)
21. Able ------ was a NATO test exercise in 1983. (6)
22. French word for leaf (7)