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.

2012 Sep.

MAIHAMA Amphitheater opens.

2013 Apr.

Tokyo Disney Resort celebrates its 30th anniversary.

2016 June.

Tokyo Disney Celebration Hotel opens.

2018 Apr.

Tokyo Disney Resort celebrates its 35th anniversary.