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| March1956 |
Tokyo International Trade Fair Commission was established to host the Tokyo International Trade Fairs and other various trade fairs. |
| April 1958 |
Tokyo International Trade Center Corp. was established to operate the Harumi Fairgrounds. |
| March1996 |
Harumi Fairgrounds were closed. |
| April1996 |
Tokyo Big Sight was inaugurated. |
| May1999 |
Tokyo International Trade Center Corp. completed the construction and commenced management and operation of the Ariake Park Building. |
| April2000 |
Tokyo International Trade Center Corp. integrated business with TOKYO FASHION TOWN CORPORATION and TIME 24 CO., LTD |
| April2003 |
Tokyo International Trade Center Corp. merged with Tokyo International Trade Fair Commission and changed its name to "Tokyo Big Sight Inc." |
| March2006 |
Tokyo Big Sight Inc. completed the acquisition of TOKYO FASHON TOWN CORPORATION and TIME 24 CO., LTD. |
| January2009 |
Tokyo Big Sight Inc. participates in Rinkai Holdings Group. |