A failed assassination attempt was made on Shlomo Argov, the Israeli ambassador to the United Kingdom, triggering an Israeli decision to invade Lebanon three days later.
During a SEATO exercise in the South China Sea, a collision between HMAS Melbourne and USS Frank E. Evans resulted in the latter vessel being cut in two and the deaths of 74 personnel.
Buddhist crisis: South Vietnamese soldiers attacked Buddhist protesters in Huế with liquid chemicals from tear gas grenades, causing 67 people to be hospitalised.
Maurice Herzog and Louis Lachenal, members of the French Annapurna expedition, became the first climbers to reach the summit of a peak higher than 8,000 metres (26,247 ft) above sea level.
World War II: In reprisal for the participation of the local population in the Battle of Crete, the German Wehrmacht destroyed the village of Kandanos, Greece, and killed about 180 of its inhabitants.
Franz Rademacher, a Nazi official, proposed that the island of Madagascar be made available as a destination for the resettlement of the Jewish population of Europe.