1 and 12 Les anglais defeated the French—they’re on our minds in this puzzle (3,7)

 1 and 19 1 and 12 are hot, buff, ripped (3,3,4)

 3 Southern dish in a busy washroom (7,4)

 9 Range in pursuit of a bit of potassium bromide (9)

10 Ornate ruby captivates Eastern customer (5)

11 Pastel mountains crumbled in state capital (2,4,9)

12 See 1

14 Yellowbelly—or what he did, they say (6)

17 Teacher meeting teacher’s principal with creature pulled from a hat (6)

19 See 1

22 French statesman, around the end of June, defiles ceremony with words from a wedding: “Unsatisfactory” (7,8)

25 Leaders of Asian states can interact in computer alphanumerics (5)

26 Symbol of love and expression of love: keeping red item to sit on by the fire (6,3)

27 Turbulent Rhine engulfing sailor and piece of cloth with a nationalist slogan (4,2,5)

28 With the band? No! (3)

 1 Office worker is into salty pistachios (6)

 2 An ideal was once enough (7)

 3 Recited aloud, an exalted, brilliant stroke—this clue, for instance (5)

 4 Actor Christopher claims, “I like roles that are more desirable” (8)

 5 Sounds as if I go astray, cut off by wintry weather (3,2)

 6 Handiwork of some contractors more proficient in error (5,4)

 7 Beef, stewed moray, jumbo shrimp, and the like (7)

 8 Longtime conductor of the Philadelphia Orchestra supports Northern part of France (8)

13 Look-alike stirring in egg and feeling sharp pains (9)

15 Accelerating competition for cross-dressing nation (4,4)

16 Sweeping view in Japan or Amazonia (8)

18 Born free, with vital energy in parts of the lungs (7)

20 Overcome? Quite the opposite: endure (7)

21 Spooner’s suspended—turn enthusiastic (4,2)

23 Tuna coated in antimony, sir (5)

24 Try to sell tar (5)
 

ACROSS 1 2 defs. 9 S(HE)LLAC (calls rev.) 10 I + NCITES (insect anag.)
11 2 defs. 13 anag. 15 T(ASS)O 16 hidden 18 ART(H)ROPOD (trapdoor anag.) 21 2 defs. 24 anag. 25 “pedals”
26 2 defs.
 
DOWN 1 FISTF + [n]IGHTS (stiff anag.) 2 E + LEG + ANT 3 AL + LAH (rev.) 4 hidden 5 CLI + C + HES 6 anag. 7 anag. 8 NE + ST 12 WORDLES + SLY (low reds anag.) 14 C(HARLOT)TE (etc. rev.) 17 anag. 18 ASP + HALT
19 TR(O)OPER (report anag.) 20 anag. 22 END + OW 23 rev.