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| 1967, Feb. 10 |
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| The 38th state (Colorado) ratified the 25th Amendment to the U.S. Constitution, which concerned the problem of presidential infirmity and succession. | 1 |
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| Feb. 13 |
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| Furor erupted in academic circles over the revelation that the Central Intelligence Agency had secretly financed the National Student Association in certain of its activities. | 2 |
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| March 16 |
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| A consular agreement with the Soviet Union was concluded. | 3 |
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| April 15 |
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| Huge marches in New York City and San Francisco protested the war in Vietnam and demanded peace. | 4 |
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| Summer |
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| Hippies, alienated youth, captured the nation's attention and helped to shape contemporary culture by professing to have dropped out of mainstream culture to practice peace and love. | 5 |
| In the worst summer of urban violence to date, African-American discontent with life in the cities reached a boiling point. In July and August, violence broke out in 22 cities. | 6 |
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| July 1 |
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| The treaty restricting the proliferation of nuclear weapons (See Science and Technology) was concluded. | 7 |
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| July 15 |
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| Initiation of direct air service between the U.S. and the Soviet Union. | 8 |
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| Oct. 2 |
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| Justice Thurgood Marshall became the first African American to serve as an associate justice of the Supreme Court. | 9 |
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| Oct. 21–22 |
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| A huge peace march on Washington drew participants from all over the country and culminated in clashes between demonstrators and army troops protecting the Pentagon. | 10 |
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| Nov. 7 |
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| Inauguration of the Corporation for Public Broadcasting, a nonprofit public corporation that allocated funds to noncommercial radio and television stations to assist them in creating high-quality programs. | 11 |
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| Dec. 1–8 |
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| Stop the Draft Week was organized by 40 antiwar groups. An enormous demonstration in New York City was followed by mass arrests. | 12 |
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