Shaka kaSenzangakhona (c. 1787 – 22 September 1828), also known as Shaka Zulu (Zulu pronunciation: [ˈʃaːɠa]) and Sigidi kaSenzangakhona, was the king of the Zulu Kingdom from 1816 to 1828. One of the most influential monarchs of the Zulu, he ordered wide-reaching reforms that re-organized the military into a formidable force.