After the Vietnam War, Vietnam bolstered its ties with the Soviet Union rather than with China, and, following a series of anti-Chinese, pro-Soviet maneuvers by Vietnam, China invaded its southern neighbour this day in 1979.
| 1996: | | An earthquake and an accompanying tsunami in Indonesia left 108 people dead, 423 injured, and 58 missing. |
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| 1955: | | | British Minister of Defense Harold Macmillan announced plans to develop and produce hydrogen bombs. |
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| 1897: | | The National Congress of Parents and Teachers, better known as the Parent-Teacher Association (PTA), was founded in Washington, D.C., as the National Congress of Mothers. |
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| 1843: | | The British annexed most of what is now Sindh province in Pakistan after winning the Battle of Miani. |
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