Cook the pasta in accordance with the directions on the package. Put aside.
While the pasta is cooking, heat some oil into a large-pan then sauté the onion for 3minutes or till it becomes translucent. Add the minced garlic and cook for a more minute.
Add the diced tomatoes and season with oregano, dried basil, red pepper flakes, pepper and salt then let it simmer for 5minutes.
Meanwhile, drain & rinse chickpeas and roughly-chop the artichokes. Cut the olives into rings.
Add the chickpeas, black-olives, artichokes and capers to the sauce. Sprinkle with fresh-oregano.
Stir in the cooked spaghetti and then serve immediately.