Their climbing of Mt. Everest was a great achievement.

Human beings have achieved a lot more than animals.

The moon landing was a monumental achievement.

We cannot speak too highly of his great achievements.

Lindbergh's solo nonstop transatlantic flight was a remarkable accomplishment.

When the bombs fell on our harbor and tyranny threatened the world, she was there to witness a generation rise to greatness, and a democracy was saved. Yes, we can.