Spanish Mixed Green Salad Ensalada Mixta

Name: Spanish Mixed Green Salad (Ensalada Mixta)
Ingredients: 2 large eggs; 1 head lettuce (iceberg or romaine); 2 tomatoes; 1 cucumber; 1 red or yellow bell pepper; 1/4 to 1/2 yellow or red onion; 1 carrot; 1 (6-ounce) can tuna; 1 (15-ounce) can white asparagus; 1 (14-ounce) can artichoke hearts (packed in water, not oil); 1/2 cup green olives (preferably stuffed with anchovies); Optional: 1 (15-ounce) can baby corn (drained); 3 tablespoons extra-virgin Spanish olive oil; 1 tablespoon red-wine vinegar or sherry vinegar; Salt (to taste)