We use -ing when the subject and the noun are the same:
Elvis' death, happening in 1975...
We use -ed when the subject and the noun are not the same:
These olive trees, planted in 1975... [a gardener planted them]
Participles 1 (WordWall)
Irregular verbs 2 (Flashcards, WordWall)
Talking about... (Speaking, WordWall)