when did pac 10 change to pac 12
Pac-12 Conference On July 27, 2010, the conference unveiled a new logo and announced that the Pac-10 would be renamed the Pac-12 when Utah and Colorado formally joined in July 2011. On October 21, the Pac-12 announced that its football competition would be split into two divisionsâ€”a North Division comprising the Pacific Northwest and Bay Area schools, and a South Division comprising the Mountain Time Zone and Southern California schools. On July 1, 2011, the Pac-12 assumed its current alignment when both Colorado and Utah officially joined as full members.
Vietnam War North Vietnamese victory
Paris Peace Accords
Asia-Pacific On the whole there appears to be no clear cut definition of "Asia Pacific" and the regions included change as per the context.
Buddhism in Southeast Asia
51st state Before Alaska and Hawaii became states of the United States in 1959, the corresponding expression was "the 49th state".