In Munich, the trial begins of Wilhelm Harster, accused of the murder of 82,856 Jews (including Anne Frank) when he led German security police during the German occupation of the Netherlands. He is eventually sentenced to 15 years in prison.
April 2 – A United Nations delegation arrives in Aden as its independence approaches. The delegation leaves April 7, accusing British authorities of lack of cooperation. The British say the delegation did not contact them.
Large demonstrations are held against the Vietnam War in New York City and San Francisco. The march, organized by the National Mobilization Committee to End the War in Vietnam, from Central Park to the United Nations drew hundreds of thousands of people, including Dr. Martin Luther King Jr., Harry Belafonte, James Bevel, and Dr. Benjamin Spock, who marched and spoke at the event. A simultaneous march in San Francisco was attended by Coretta Scott King.
Scotland defeats England 3–2 at Wembley Stadium, with goals from Law, Lennox and McCalligog, in the British Championships. This is England's first defeat since they won the World Cup, and ends a 19-game unbeaten run.
An outbreak of tornadoes strikes the upper Midwest section of the United States (in particular the Chicago area, including the suburbs of Belvidere and Oak Lawn, Illinois, where 33 people are killed and 500 injured).
The Toronto Maple Leafs win the Stanley Cup. It is their last Stanley Cup and last finals appearance to date. It will turn out to be the last game in the Original Six era. Six more teams will be added in the fall.
Harold Wilson announces that the United Kingdom has decided to apply for EEC membership.
NaxaliteGuerrilla War: Beginning with a peasant uprising in the town of Naxalbari, this Marxist/Maoist rebellion sputters on in the Indian countryside. The guerrillas operate among the impoverished peasants, fighting both the government security forces and private paramilitary groups funded by wealthy landowners. Most fighting takes place in the states of Andhra Pradesh, Maharashtra, Odisha and Madhya Pradesh.
The Greek military regime strips 480 Greeks of their citizenship.
1967 Newark riots: After the arrest of an African-American cab driver for allegedly illegally driving around a police car and gunning it down the road, race riots break out in Newark, New Jersey, lasting 5 days and leaving 26 dead.
A race riot breaks out in the North Side of Minneapolis on Plymouth Street during the Minneapolis Aquatennial Parade; businesses are vandalized and fires break out in the area, although the disturbance is quelled within hours. However, the next day a shooting sets off another incident in the same area that leads to 18 fires, 36 arrests, 3 shootings, 2 dozen people injured, and damages totaling 4.2 million. There will be two more such incidents in the following two weeks.
August 6 – A pulsar is noted by Jocelyn Bell and Antony Hewish. The discovery is first recorded in print in 1968: "An entirely novel kind of star came to light on Aug. 6 last year [...]". The date of the discovery is not recorded.
Two U.S. Navy jets stray into the airspace of the People's Republic of China following an attack on a target in North Vietnam and are shot down. Lt. Robert J. Flynn, the only survivor, is captured alive and will be held prisoner by China until 1973.
Walt Disney's 19th full-length animated feature The Jungle Book, the last animated film personally supervised by Disney, is released and becomes an enormous box-office and critical success. On a double bill with the film is the (now) much less well-known true-life adventure, Charlie the Lonesome Cougar.
Approximately 70,000 Vietnam War protesters march in Washington, D.C. and rally at the Lincoln Memorial; in a successive march that day, 50,000 people march to the Pentagon, where Allen Ginsberg, Abbie Hoffman, and Jerry Rubin symbolically chant to "levitate" the building and "exorcise the evil within."
An Egyptian surface-to-surface missile sinks the Israeli destroyer Eilat, killing 47 Israeli sailors. Israel retaliates by shelling Egyptian refineries along the Suez Canal.
November 2 – Vietnam War: U.S. President Lyndon B. Johnson holds a secret meeting with a group of the nation's most prestigious leaders ("the Wise Men") and asks them to suggest ways to unite the American people behind the war effort. They conclude that the American people should be given more optimistic reports on the progress of the war.
General Georgios Grivas and his 10,000 strong Greek Army division are forced to leave Cyprus, after 24 Turkish Cypriot civilians are killed by the Greek Cypriot National Guard in the villages of Kophinou and Ayios Theodhoros; relations sour between Nicosia and Athens. Turkey flies sorties into Greek territory, and masses troops in Thrace on her border with Greece.
Test pilot Michael Adams is killed when his X-15 rocket plane tumbles out of control during atmospheric re-entry and disintegrates.
Vietnam War: Acting on optimistic reports he was given on November 13, U.S. President Lyndon B. Johnson tells the nation that, while much remains to be done, "We are inflicting greater losses than we're taking...We are making progress." (2 months later the Tet Offensive by the Viet Cong is widely reported as a Viet Cong victory by the U.S. press and thus as a major setback to the U.S.'s pursuit of the war.)
Zulfikar Ali Bhutto founds the Pakistan People's Party and becomes its first chairman. It has gone on to become one of Pakistan's major political parties (alongside the Pakistan Muslim League) that is broken into many factions, bearing the same name under different leaders, such as the Pakistan's Peoples Party Parliamentarians (PPPP).
Gunsmoke, after 12 seasons and with declining ratings, almost gets cancelled, but protests from viewers, network affiliates and even members of Congress and especially William S. Paley, the head of the network, lead the network to move the series from its longtime late Saturday time slot to early Mondays for the fall—displacing Gilligan's Island, which initially had been renewed for a fourth season but is cancelled instead. Gunsmoke would remain on CBS until 1975.