<Li> Although pioneered earlier in Korea and by the Chinese official Wang Zhen (with tin), bronze metal movable type printing is created in China by Hua Sui in 1490 . </Li> <Li> Johannes Gutenberg advances the printing press in Europe (c. 1455) </Li> <Li> Linear perspective drawing perfected by Filippo Brunelleschi 1410--1415 </Li> <Li> Invention of the harpsichord c. 1450 </Li>

What was the eurasian world like in the 14th and 15th centuries