|1958||Taisei Kanko co.,Ltd. established.|
|1962||Hotel Okura(Main Building)opened for business.|
|1964||Staff was sent to the Olympic Village to assist with meals for athletes during the Tokyo Olympics.
Anuual meeting of the International Monetary Fund held in the Heian Room.(First use of wireless simultaneous interpretaion devices in Japan)
|1973||Hotel Okura's South Wing opened for business.|
|1974||Hotel Okura chosen to provide services for State Guest House in Tokyo.
South Wing indoor pool completed.
|1975||In charge of official reception for Queen Elizabeth at the British Embassy in Tokyo.|
|1977||International Monetary Conference held in the Akebono Room.|
|1978||Hotel Okura Chain established.|
|1981||Chosen as world's No.2 hotel by Institutional Investor magazine.|
|1985||Chosen as the best hotel in the world by Euromoney.|
|1986||Hotel Okura accommodates US President Ronald Reagan, his entourage, and the White House Press Corps during 12th G7 Summit(Tokyo Summit).
The hotel is also requested to run the State Guest House in Tokyo which hosted Prince Charles and Princess Diana after Summit.
|1987||Commemorating the 25th anniversary of Hotel Okura, the corporation name is changed from Taisei Kanko Co.,Ltd to Hotel Okura Co.,Ltd.
Lobby Concert 25 instituted with concerts held in the Main Lobby on the 25th of each month;340 concerts held as of 2015.
Concert of Beethoven's Ninth Symphony held at Suntory Hall, and has taken place every four years since 1996.
|1989||Hosts 13 heads of state and representatives of 5 international institutions on occasion of Emperor Hirohito's funeral.|
|1990||Sazanka(Teppanyaki)opened for business.Starlight Lounge reopened following remodeling.
Hosts 15 heads of state and representative of 1 international institution on occasion of enthronement of Emperor Akihito.
|1992||Company mark and hotel logo changed.|
|1994||First charity art collection,Treasured Works of Art,exhibited.|
|1996||First Okura Music Award bestowed.(award has been given annually since 2000).|
|1998||Hotel Okura Chain changed its name to Okura Hotels & Resorts(OHR).|
|2000||First HANA MATSURI in Okura; the Annual World Gardening Fair in Hotel Okura Tokyo, held annually until 2010.
Assigned to food and beverage services at the Kyushu-Okinawa Summit Meeting.
|2001||Company divided into Hotel Okura Co.,Ltd. and Hotel Okura Tokyo Co., Ltd.
Okura Frontier Hotel opened for business as a community hotel.
|2004||Baron Okura(Wine Dining & Cigar Bar)opened on 12th floor of South Wing.
La Belle Epoque(French Cuisine)and Toh-Ka-Lin(Chinese Cuisine)reopened after remodeling.
|2005||Grand Comfort Floor guest rooms completed on the 9th and 10th floors of the Main Building.
Yamazato(Japanese Cuisine and Tempura)reopened after remodeling.
|2006||Sazanka(Teppanyaki)reopened after remodeling.
Wine Academy opend.
|2007||Heian Room, the hotel's largest facility, remodeled.|
|2008||The Akebono Room, a large banquet hall in the Main Building, is completed.
Handles guest services at G8 Hokkaido Toyako Summit.
|2010||Purchases 79.6% of JAL Hotels to expand hotel group.|
|2015||The Main Building will be closed for reconstruction.Some facilities of the Main Building will be relocated to the Hotel Okura South Wing, which will be continuously open for business subsequent to the closing of the Main Building.|
|2019||The Okura Tokyo opened for business.|