The Four Great Classics of the World? Tell me the author, the country

The Four Great Classics referred to 'Dream of the Red Chamber',' Journey to the West','Water Margins' and 'Romance of the Three Kingdoms'. They were all classics in the history of Chinese literature. 'Dream of the Red Chamber' was written in Qing Dynasty China. The author of Journey to the West was the Ming Dynasty novelist Wu Chengen. The author of Water Margins was China during the Yuan Dynasty. The author of Romance of the Three Kingdoms was China during the Yuan Dynasty.