| 1962 Jan. | The president of Oriental Land Co., Ltd. at the time, Chiharu Kawasaki, pays a courtesy visit to Walt Disney Productions (currently The Walt Disney Company). |
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| 1974 Feb. | Keisei Electric Railway Co., Ltd.; Mitsui Fudosan Co., Ltd.; and Mitsui & Co., Ltd. jointly invite the top executives of Walt Disney Productions (currently The Walt Disney Company) to Japan. |
| Dec. | The top executives of Walt Disney Productions (currently The Walt Disney Company) at the time, including Chairman Don Tatum and President E. Cardon Walker, visit Japan and reach a basic agreement for a business alliance with Oriental Land. |
| 1977 Mar. | The official name of the theme park, Tokyo Disneyland®, is announced. |
| 1979 Apr. | Oriental Land and Walt Disney Productions (currently The Walt Disney Company) conclude the final agreements concerning their business alliance. |
| 1980 Aug. | Co-financing group for Tokyo Disneyland organized. |
| Dec. | Groundbreaking ceremony held (planting and civil engineering work begins). |
| 1981 Apr. | Park construction begins. |
| 1983 Mar. | Ceremony to celebrate the completion of the Park held. Park operations start. |
| Apr. |  Tokyo Disneyland opens. |
| 1988 Apr. | Tokyo Disneyland celebrates its 5th anniversary. The president of Oriental Land Co., Ltd. at the time, Masatomo Takahashi, announces plans for a second Disney theme park at a press conference for the 5th anniversary of Tokyo Disneyland. Sheraton Grande Tokyo Bay Hotel & Towers (currently Sheraton Grande Tokyo Bay Hotel), a Tokyo Disney Resort Official Hotel, opens. |
| Jul. | Tokyo Bay Hilton (currently Hilton Tokyo Bay), a Tokyo Disney Resort Official Hotel, opens. Dai-ichi Hotel Tokyo Bay (currently Hotel Okura Tokyo Bay), a Tokyo Disney Resort Official Hotel, opens. |
| Dec. | JR Keiyo Line’s Maihama Station opens. |
| 1990 Mar. | JR Keiyo Line completed from Soga Station to Tokyo Station. |
| May. | Tokyo Bay Hotel Tokyu, a Tokyo Disney Resort Official Hotel, opens. |
| 1991 May. | Tokyo Disneyland welcomes its 100 millionth Guest. |
| 1993 Apr. | Tokyo Disneyland celebrates its 10th anniversary. |
| 1996 May. | Disney and OLC conclude a basic agreement for a new Disney theme park and a hotel. |
| 1997 Nov. | The final decision is made for the new theme park project. The official name of the theme park, Tokyo DisneySea®, is announced. |
| 1998 Apr. | Tokyo Disneyland celebrates its 15th anniversary. |
| Oct. | Construction of Tokyo DisneySea begins. |
| 2000 Jul. |  Ikspiari opens. Disney Ambassador® Hotel opens. |
| 2001 Mar. | Bon Voyage opens. |
| Jul. |  Disney Resort Line opens. |
| Sept. |  Tokyo DisneySea opens. Tokyo DisneySea Hotel MiraCosta® opens. |
| 2003 Apr. | Tokyo Disneyland celebrates its 20th anniversary. |
| 2007 Mar. | Tokyo Bay Maihama Hotel, a Tokyo Disney Resort Official Hotel, opens. |
| 2008 Apr. | Tokyo Disney Resort celebrates its 25th anniversary. |
| Jul. |  Tokyo Disneyland® Hotel opens. |
| Oct. |  Cirque du Soleil Theatre Tokyo opens. |