May Fourth Movement, intellectual revolution and sociopolitical reform movement that occurred in China in 1917–21. The movement was directed toward national independence, emancipation of the individual, and rebuilding society and culture. In 1915, in the face of Japanese encroachment on China,| Encyclopedia Britannica
Karl Raimund Popper was born on 28 July 1902 in Vienna. His parents,| plato.stanford.edu