Which nation has such a rich calligraphy treasure as the Chinese nation?

The Chinese nation has such rich calligraphy treasures because calligraphy itself was invented by China people. There are many famous calligraphers in ancient and modern China, such as Huang Tingjian, Ou Yangxun, Yan Zhenqing, Liu Gongquan, Zhao Mengfu, Wang Xianzhi, Wang Xizhi, Shu Tong, Qi Gong, Yu Shao, Shen Peng, Zhang Hai, Qi Baishi, Huang Zejin, Fan Zeng, Xu Beihong and Li Keran.