The UNASUR Constitutive Treaty officially established the Union of South American Nations, an intergovernmental continental union of twelve South American nations.
Topic: International cooperation
Portugal cedes control of Macau to China, ending European colonization of Asia
Although offered control of Macau as early as the 1960s, the Chinese deemed the time “not yet ripe” and preferred to wait until December 1999 — the very end of the millennium, two years after the Hong Kong handover—to close this chapter of history. Upon the handover of Macau European colonization of Asia ended.