More letter equations. As ever, no sensible suggestions turned away

-A. 1 = F. B. O. H. Z. in a G.
-B. 3 = O. K. C.'s F.
-C. 6 = P. in an I. H. T.
-D. 7 = S.
-E. 17 = P. S. on a S. B.
-F. 21 = J. S.
-G. 22 = Y. in a C. P.
-H. 40 = R. in a F.
-I. 435 = M. of the H. of R.
-J. 1000 = Y. in a M.
-K. 1966 = E. W. the W. C.
-L. 2357 = F. F. P. N.

H. 40 rods in a furlong

K. 1966 = England Wins the World Cup

Good starts, gentlemen!

B. Old King Cole's Fiddlers 3

...and a good follow-on!

D. Samarai

G. 22 yards in a cricket pitch

Bernie

Yes, Remi!

...and Bernie

F. 21 Jump Street

L. 2357 = first four prime numbers

J. 1000 Years in a Millennium

Joan, michelle, Flo - all good!

E. 17 = Pink Squares on a Scrabble Board

C: 6 = Players on an Ice Hockey Team

I. Members of the House of Representatives

Canadians and (ex) Manx dwellers - c'est bon!

Hint for the last one:

You'll have to search for the answer, I'm told

1 followed by one hundred zeroes in a google

Okay...."googol"