1983 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.