Across:
1. City beginning to trade weed without ruin (7)
5. Faux pas involving industrial relations beast (7)
9. Strangely, pub slower as 16 7 hosted this event in '85, '16 and '26 (9)
10. Quiet bit said out loud (5)
11. Succeeding in game without each team having a turn to bat? (6)
12. Investigators accept blunder, as they carry heavy loads (8)
14. Limited life of luxury, which might feature a 5 down? (6 4)
16,7dn. Criminal cons Africans in city with 18 across 17 Opera House where Treaty of 10 with 2 was signed ending American 13 (3 9)
18. How art limits conflict (3)
19. True love'd arranged to bring two initially? (6 4)
22. Performed as "Weird Mr Yankovic", spinning dishes (8)
23. Articulated vehicles on interstate can easily daunt beginners (6)
26. Flogs lots of animals? (5)
27. Elaborate on popular trick mostly swallowed (9)
28,29. Young lady - one working with party wisdom - with second 1776 settlement that gave rise to 16 7 (7 7)
29. see 28
Down:
1. Assessment of extremely tense police operation (7)
2. Mostly prank an Asian country (5)
3. A grander organisation put in order (8)
4. Small piece of a cat (4)
5. Get a dongle organised as way to access 16 7 (6 4)
:6. Feedback: right to have sheet pulled back (6)
7. see 16 across
8. Waldo, part of blasphemers' onslaught? (7)
13. Awful coup not CIA job?! (10)
15. Plants included in biblical ark's pursuit? (9)
17. More mail to be sorted - lest anyone forget! (8)
18. Beast has memory, but it's very dense (7)
20. Eternal needs strangely second when left involved (7)
21. Tennis player is epic when returning (6)
24. Preside over company's first musical (5)
25. Dust off beam (4)
Solution:
TIJUANA=GIRAFFE|
E=A=R=T=O=E=R=M|
SUPERBOWL=PEACE|
T=A=A=M=D=O=N=R|
INNING=DERRICKS|
N===G=O=N=T=I=O|
GILDEDCAGE==SAN|
==A=D=C=A=M=C==|
WAR==TURTLEDOVE|
O=K=A=P=E=M===N|
LASAGNAS=VOICED|
F=P=A=T=S=R=H=L|
ROUTS=INTRICATE|
A=R=S=O=U=A=I=S|
MISSION=DOLORES|
Name: 920 - 1776 settlement
Author: by BenDR

Annos-Across:
1. T(rade) + (mar)IJUANA
5. G(IR)AFFE
9. *( PUB SLOWER )
10. hp PIECE
11. (w)INNING
12. D(ERR)ICKS
14. dd
16,7dn. *( CONS AFRICANS )
18. tel (ho)W AR(t)
19. T(wo) in *( TRUE LOVE'D ) , &lit
22. rev( SANG AS AL )
23. acrostic V(ehicles) ... D(aunt)
26. dd
27. IN TRIC(k) + ATE
28,29. MISS I ON DO LORE S
Annos-Down:
1. T(ens)E + STING
2. JAP(e) AN
3. *( A GRANDER )
4. A TOM
5. *( GET A DONGLE )
:6. rev(ROPE) in RT
8. tel (blasph)EMERS ON(slaught) , ext def
13. *( COUP NOT CIA )
15. tel (biblica)L ARK'S PURS(uit)
17. *( MORE MAIL )
18. WOLF + RAM
20. L in *NEEDS + S
21. rev( IS SAGA )
24. C + HAIR
25. *DUST
Defs-Across:
1. City
5. beast
9. 16 7 hosted this event in '85, '16 and '26
10. Quiet
11. each team having a turn to bat
12. they carry heavy loads
14. Limited life of luxury
14. which might feature a 5 down
16,7dn. city with 18 across 17 Opera House where Treaty of 10 with 2 was signed ending American 13
18. conflict
19. True love'd arranged to bring two initially?
22. dishes
23. Articulated
26. Flogs
26. lots of animals
27. Elaborate
28,29. 1776 settlement that gave rise to 16 7
Defs-Down:
1. Assessment
2. Asian country
3. put in order
4. Small piece
5. way to access 16 7
:6. Feedback
8. Waldo
13. job
15. Plants
17. lest anyone forget
18. it's very dense
20. Eternal
21. Tennis player
24. Preside over
25. beam