Written records of the history of China can be found from as early as 1500 BC[1][2] under the Shang dynasty (c. 1600â1046 BC).[3] Ancient historical texts such as the Records of the Grand Historian (ca. 100 BC) and the Bamboo Annals (before 296 BC) describe a Xia dynasty (c. 2070â1600 BC), which had no system of writing on a durable medium, before ...
There are, for the most part, 9 dans (or degrees) when it comes to a taekwondo black belt that can be achieved.
Achievement in Judo is recognized by a series of ranks. The student ranks are called kyu and are usually differentiated by colored belts (obi). Different colors may be used around the world and in some countries there are more than 6 kyu ranks. The ten black belt, or expert, ranks are called dan.