Rudolf Wagner (University of Heidelberg) presents the opening keynote speech at the Fairbank Center for Chinese Studies' "May 4th @ 100: China and the World" conference. With welcome and opening remarks by Professors David Der-wei Wang (Harvard University), Michael Szonyi (Harvard University) and Zhaoguang Ge 葛兆光 (Fudan University). Hosted by Harvard University. Sponsored by: the Chiang Ching-Kuo Center for Sinology; National Taiwan University; the Fairbank Center for Chinese Studies at Harvard; the Harvard University Asia Center; the Harvard-Yenching Institute; and the Harvard Department of East Asian Languages and Civilizations