You know how I hate lists. Well, I'm going to be a hypocrite and write a couple myself.
But all for a good cause: European poetry. The word "modern" in the title of this thread is meant to denote the 1970s, i.e. about 35 years ago. This may not be a full list of the poets taken up in the series, but it is a good indication:
Bobrowski / Bienek
Haavikko / Transtr?mer
Nezval / Bartu?ek / Hanzl?k
Jim?nez / Machado
Kovner / Sachs
We?res / Juh?sz
Arp / Schwitters / Klee
Translators included W.H. Auden, Lawrence Ferlinghetti, Michael Hamburger, Ted Hughes, J.B. Leishman, Christopher Middleton and David Wevill.
These translations had the advantage of being published by a major British publishing house which also had a lot of modern literature, classics and a prestigious non-fiction series (Pelicans, Peregrines). So they were always listed in the same catalogue as these other types of work. One minor disadvantage was that they were not parallel text (i.e. bilingual).
Another such series a little earlier in the 1960s, was the Poetry Europe Series published by Rapp & Whiting. Less well-known that the Penguin one, this also had a number of European poets:
Maybe more, I'm merely listing from the back flap.
Whereas I will admit that I had never heard of some of the poets in this latter series, it also had the aim of bringing to the attention of the British reader not just the odd poem in magazine, but selections of poems by one poet.
Correct me if I'm wrong, but I don't think that such series, with the determination to introduce a good number of major poets to British readers, exist today.
If they do exist, do tell me about them and the poets they include.