The RCotNNT is a proper name, so its principal words are capitalized. A comma should precede "taking place" because the verbal phrase explains but doesn't define the Conference. It's "taking place" if the Conference is still going on; it's "took place" is the Conference is over.
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deadratA comma should precede "taking place" because the verbal phrase explains but doesn't define the Conference.Although I think your reading is possible, I'd say it is defining the conference here. I'd make no pause in speech and would use no comma in writing.