The Gur-e Amir Mausoleum is built by Timur after the death of his grandson Muhammad-Sultan and eventually becomes the family mausoleum of the Timurid Dynasty .
The Yongle Encyclopedia is commissioned by the Chinese Ming Dynasty emperor Yongle . It was then one of the world's earliest and largest known general encyclopedia.
Tadgh Ruadh mac Maelsechlainn O Cellaigh succeeds Conchobar an Abaidh mac Maelsechlainn O Cellaigh as King of Hy-Many in present-day County Galway and County Roscommon in Ireland .