Chinese brush calligraphy or "shufa" in Chinese is one of most important art forms in China. Many Asian cultures have originated their own calligraphy styles, but China's is unequaled because of (it) beauty, grace (优雅) and history.
The (origin) of Chinese brush calligraphy are unknown, but local tales say it goes back over 4, 000 years to the time of the legendary (传说的) Yellow Emperor (2698 BC-2598 BC) . At that time characters were carved on animal bones or tortoise shells. Only after Emperor Qin Shi Huang united China under his rule one country did it really gain popularity as a common art form.
He simplified Chinese characters and regular rules were set, (make) it easier for people to learn and master. This Chinese art form continued to progress and during the Tang Dynasty (618 AD-907 AD) a new type of cursive script (草书) was formed and standardized. It is written (free), but it's not as easy to read.
Today Chinese calligraphy is once again a subject in schools and an art form highly (appreciate) across the world. Anyone can practice it and is required is a simple set including: a brush, ink and paper. It's fun for amateurs to try, but to become good at it, not only years of practice but also natural talent (need). Practising this art consistently can develop personal character and is of great (beneficial) to health.