What are some of the important things he did?

Answer 1

To provide a specific answer, I would need to know who "he" refers to. However, generally speaking, important actions taken by influential figures often include initiating significant reforms, leading social or political movements, advancing scientific discoveries, or championing human rights. These actions can have lasting impacts on society, shaping future generations and influencing cultural or political landscapes. If you provide a specific individual, I can give a more tailored response.