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CHRONOLOGY OF THE PROJECT

1967

May	Conception of the project by The Mainichi Newspapers
December	Collaboration agreement with Matsushita Electric Industrial Company Joint committee sets time capsule span at 5,000 years

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1968

January	Official announcement of the Time Capsule Expo '70 project (8th)
March	First meeting of the Executive Committee (8th) First meeting of the Technical Committee (12th)
April	First meeting of the Selection Committee (20th)
May	Contents questionnaires sent worldwide (1st)
May - September	First meetings of Natural Science, Social Science and Arts Divisional Committees and Sub-Committees
November	Suggestions as to contents solicited from the Japanese public (1st) Research and Development Centre established (1st)

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1969

February	Contents of capsules agreed by Technical and Selection Committees (28th)
March	List of contents published in the Mainichi Shimbun (11th) Osaka Castle site agreed with Ministry of Education and City of Osaka (24th)
November	Painting of picture scrolls completed (18th)

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1970

March	Opening of Japan World Exposition 1970, Osaka (15th). The Time Capsule and its contents put on display in the Matsushita Pavilion.
September	Closing of Japan World Exposition 1970 (13th). About 7.6 million people visited Matsushita Pavilion during the Exposition
October	Ground-breaking ceremony at Osaka Castle site (8th)
December	Outer lid of Capsule No. 1 sealed (22nd)

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1971

January	Capsule No. 1 buried (20th) Outer lid of Capsule No. 2 sealed (21st) Capsule No. 2 buried (28th)
March	Unveiling of Time Capsule Expo '70 monument, Osaka Castle Park on the first anniversary of the opening of Expo '70 (15th) Custodial agreement signed and exchanged between representatives of the Japanese Ministry of Education, the City of Osaka, Mainichi Newspapers and Matsushita Electric Industrial Company (15th)
August	Custodial agreement ratified by the Ministry of Education (6th)
November	Time capsule Expo '70 replica and contents donated to Osaka City Museum (22nd)

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1972

April	Maximum-minimum thermometers read and re-set through cables beneath the monument (3rd)

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1975

March	Publication of the Japanese Edition of Time Capsule Expo '70: Distributed to organizations and libraries throughout Japan (15th)

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• III INTERNAL PLAN OF THE CAPSULE
• VITAL DATA ON THE TOTAL PROJECT

The contents of this site are excerpted from THE OFFICIAL RECORD OF TIME CAPSULE EXPO'70(March 1975). Please note that company and organization names may differ from those of the current ones.