All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Wednesday 23 May 1951 2
1951 – presentAnatoly KarpovPositional World Chess ChampionAnatoly Karpov dominated world chess during the 1970s and 1980s through precise positional style and strategic mastery.
1951Tibet Signs the Seventeen Point Agreement with ChinaAgreement formalizes Chinese sovereignty over TibetRepresentatives of the Dalai Lama's government signed an agreement in Beijing accepting Chinese sovereignty over Tibet in exchange for promises of autonomy and religious freedom. The agreement was signed under military pressure following the People's Liberation Army's advance into Tibet in 1950. Tibetans later disputed its legitimacy, and it remains a central grievance in the Tibet-China dispute.