01 · 8 March 1978 · London
The question stayed open
An ordinary number was offered as an answer. The instruction not to panic was printed on the cover. Neither closed the inquiry.
First 42
Forty-two researched encounters. The number is an editorial seal, not a reason to keep a weak story. This is the founding corpus. The date on each line is the event, not a newspaper. They are not a calendar.
01 · 8 March 1978 · London
An ordinary number was offered as an answer. The instruction not to panic was printed on the cover. Neither closed the inquiry.
Faith · Hope · Love
When the plan failed
A made thing
The joke survived
Sometimes the right move was to stop
A kitchen, a forest, a door
01 · 8 March 1978
An ordinary number was offered as an answer. The instruction not to panic was printed on the cover. Neither closed the inquiry.
Literature · 42 · a joke that had to be a number
02 · 28 September 2008 · 18 March 2012
A 2012 sentence about odds. A 2008 rocket. They are not the same night.
Spaceflight · unfavorable odds · engineering risk
03 · 13–17 April 1970
The landing was already lost. The air in the lifeboat was becoming unbreathable. The next move was a procedure.
Apollo 13 · procedure · a lost landing
04 · 9 January 1909
On 9 January 1909 four men turned toward home. The Pole was still there. So was the food they did not have.
Antarctica · turning back · 1909
05 · mid-50s CE
A letter to a divided assembly in Corinth named trust, expectation, and a demanding love. They were not a personality test.
A letter · Corinth · mid-50s CE
06 · 1887
In Cleveland in 1887 two men looked for an ether wind and published a null. They did not know what the nothing would later be asked to mean.
Cleveland · ether wind · a published nothing
07 · September 1928
A staphylococcal plate spoiled. The spoilage was interesting. Nobody, that September, knew it as a medicine.
St. Mary’s · chance · a contaminated plate
08 · November 1932
In 1932 the Australian military was sent after emus. The emus did not sign a treaty. Parliament had to talk about it anyway.
Western Australia · 1932 · this actually happened
09 · 5 June 1977
On World Environment Day, 1977, a procession in Nairobi planted seven trees. They did not know whether the gesture would outlive the afternoon.
Nairobi · seven trees · 1977
10 · 24–27 February 1975
In 1974 molecular biologists asked themselves to stop some of their own experiments. In February 1975 they met by the Pacific to decide what, if anything, could resume.
Asilomar · recombinant DNA · a voted halt
11 · 5–22 August 2010
Thirty-three men in a Chilean mine did not know, for seventeen days, whether anyone above them was still looking. Then a drill found a letter.
Copiapó · the 33 · a letter up a borehole
12 · 1 May – 4 June 1976
On 1 May 1976 a canoe left Honolua Bay for Tahiti. The navigator had never sailed that ocean. Wayfinding was living on Satawal. In Hawaiʻi it had been interrupted.
navigation · Honolua Bay, Maui
13 · 26 September 1983
On the night of 26 September 1983 a Soviet officer saw five incoming American missiles on his screen. Protocol said report them. He waited.
Early warning · 1983 · a report he did not make
14 · 27 October 1962
In a submerged Soviet submarine during the Cuban Missile Crisis, a nuclear torpedo needed three officers to agree. One of them would not.
Submarine · 1962 · a torpedo that was not fired
15 · 27–28 January 1986
On 27 January 1986, engineers at Morton Thiokol recommended that Challenger not fly. They were on a telephone. The launch was the next morning.
Challenger · the night before · a no that was unsigned
16 · c. 16 March 1912
On or about 16 March 1912, Lawrence Oates left the tent. Scott wrote the sentence down. Oates did not come back.
Ross Ice Shelf · 1912 · a tent with one man fewer
17 · 25 December 1914
On Christmas 1914, in places along the Western Front, firing slowed. Men stood up. It did not become a policy. It happened anyway.
Flanders · Christmas 1914 · unofficial, unfinished
18 · July–August 1940
In July 1940 a Japanese consul in Kaunas wrote transit visas by hand until he was made to stop. He did not know how many would be used.
Kaunas · 1940 · transit visas against instruction
19 · 26 March 1974
On 26 March 1974, in Reni forest, village women put their arms around trees marked to be cut. The contractor’s men were already there.
Reni forest · 1974 · Chipko
20 · 1978–1980
Lois Gibbs was a mother in a housing tract built over buried chemical waste. She did not start as an expert. She became a person who knocked on doors.
Love Canal · 1978 · a kitchen table becoming a record
21 · 1962
Rachel Carson published Silent Spring in 1962. She had already had a mastectomy. She did not make a speech of that fact. She made a book.
Silver Spring · 1962 · a book, not a confession
22 · 16 May 1985
In 1985 three names on a Nature page reported a spring collapse of ozone over Halley. The instrument had been reading that sky since the International Geophysical Year. The models had not advertised this shape.
Halley Bay · 1985 · a measurement kept
23 · August–November 1967
In 1967 a graduate student found a radio pulse so regular it was first nicknamed LGM, little green men. It was a star.
Cambridge · 1967 · a chart that was not noise
24 · June 1940
On 23 June 1940, the Sunday after the armistice, two pastors on a Protestant plateau told their congregation they would resist. That winter a knock at a kitchen door was not a theory.
Le Chambon · June 1940 · a kitchen door
25 · 1948
In 1948 Alice Kober published a paper that separated fact from theory in Linear B. She showed the script inflected. She did not claim to read the language.
Brooklyn · 1948 · a table of triplets
26 · 25 April 1954
In Murray Hill on 25 April 1954 three men showed that silicon could turn sunlight into a current worth measuring.
Murray Hill · 1954 · a made current
27 · 7 October 1913
On 7 October 1913 a chassis at Highland Park was pulled past 140 assemblers by a rope. The first article was the line. The car was what the line happened to be building.
Highland Park · 7 October 1913 · a first article
28 · 19 July 1989
On 19 July 1989 a DC-10 lost all three hydraulic systems over Iowa. The crew flew the airplane with engines. The book did not contain this failure.
Sioux City · 1989 · engines as rudder
29 · 29 October 1969
On 29 October 1969 a programmer at UCLA typed LOGIN toward a machine at SRI. The receiving computer crashed after O. Computing, that night, was a tool that did not finish the word.
Boelter Hall · 29 October 1969 · two letters
30 · 1 February 1960
On 1 February 1960 four students sat at a Woolworth’s lunch counter in Greensboro and asked to be served. They were not. They came back.
Greensboro · 1 February 1960 · four stools
31 · 22 August 1964
On 22 August 1964 Fannie Lou Hamer told a credentials committee what Winona had done. The networks cut away.
Atlantic City · 1964 · a testimony they tried to cover
32 · 28 August 1963
Bayard Rustin organized the March on Washington. Some of the men whose names were on the posters asked him to stay out of the photograph. He stayed deputy director. He made the buses run.
Washington · 1963 · the schedule behind the speech
33 · 1–5 December 1955
On the night of 1 December 1955 a professor and a few students ran a mimeograph until morning. They were calling for one day. They did not know about 381.
Montgomery · 1955 · a one-day call
34 · October 1977
In October 1977 a hospital cook in Merca fell ill. Nobody in that room could know he would be the last person on earth to catch smallpox in the wild.
Merca · 1977 · a cook, then none
35 · 1995
In 1995 a biochemist at the University of Pennsylvania was demoted after grant panels declined her messenger RNA work. The inflammation problem was real. The next year was not promised.
Philadelphia · 1995 · a demotion, a molecule still inflammatory
36 · November 2018
In November 2018 a scientist announced that two babies had been born with edited genomes. The downside was not his.
Hong Kong · 2018 · a downside that was not his
37 · 16 March 1978
In March 1978 the voyaging canoe Hōkūleʻa capsized in the Kaiwi Channel. Eddie Aikau took a surfboard toward Lānaʻi. The crew was later found. He was not.
Kaiwi Channel · 1978 · a board, then a search
38 · September 1960 – March 1962
In 1960 a new FDA reviewer was given a sedative already sold in other countries. The file did not contain what she needed. She would not sign. She did not yet know the word the German clinics would later use.
FDA · 1960–62 · a signature she would not give
39 · 15 August 1977
On 15 August 1977 a radio telescope in Ohio printed a signal that lasted seventy-two seconds. Jerry Ehman wrote a word in the margin. It has not come back.
Ohio · 1977 · seventy-two seconds
40 · 26 May – 4 June 1940
On 26 May 1940 Operation Dynamo began. Vice-Admiral Bertram Ramsay ran it from tunnels under Dover Castle. The first day lifted about eight thousand men. The pocket was still open.
Dunkirk · 26 May 1940 · an operation, first day slow
41 · March 1958
On 29 March 1958 an infrared analyzer at Mauna Loa recorded 313 parts per million of carbon dioxide. Charles David Keeling wanted a clean baseline. He did not know whether the station would be funded long enough to tell a trend from a season.
Mauna Loa · 29 March 1958 · a first day
42 · 24 August 2026
On 24 August 2026 the address dontpanic.grok.me returned 404. No GitHub repository of that name existed under Bookof42. A Guide was built anyway, and tried not to invent a past.
Project history · a 404