**Acknowledgements**

We thank Gengnian Liu, Yixin Chen, and Mei Zhang from Peking University, Jon Harbor and Marc Caffee from Purdue University, and Chaolu Yi from Chinese Academy of Sciences for collaborations on projects of using cosmogenic nuclide technique to date LIA events in the Tian Shan. Sincere thanks are also given to Dr. Danilo Godone for the constructive comments and suggestions to improve the chapter.
