Chronological Table of Takeshima (20th Century-)
29 September 1904
Yozaburo Nakai submits a request to the three Ministries of Interior, Foreign Affairs, and Commerce and Agriculture Affairs to incorporate Takeshima as a territory and to lease it out.
28 January 1905
Takeshima is officially named, during a cabinet meeting, and is put under the jurisdiction of the Oki Islands, Shimane Prefecture.
22 February
The Governor of Shimane Prefecture announces the naming of Takeshima and the office of its jurisdiction in the Shimane Prefectural Notice NO.40.
17 May
Shimane Prefecture enters Takeshima in the State Land Register for Oki-no-kuni.
5 June
The Governor of Shimane Prefecture grants approval for Yozaburo Nakai and three other people to hunt sea lions.
22 July
Thirty-eight naval workers land on Takeshima and construct a temporary watchtower.
19 August
Bukichi Matsunaga, the Governor of Shimane Prefecture and three attendants inspect Takeshima aboard the naval vessel Kyoto maru.
March 1906
Yoshitaro Jinzai, the Director of Shimane Prefecture, Dvision 3, together with 44 staff members implement a survey of conditions on Takeshima.
24 April 1939
The decision to incorporate Takeshima under the jurisdiction of Goka Village is made by the Goka Village Assembly in Oki-gun, Shimane Prefecture.
17 August 1940
Shimane Prefecture terminates public use of Takeshima and hands it over to the Maizuru Naval Station for naval use.
1 November 1945
Takeshima falls under the jurisdiction of the Ministry of Finance after the elimination of the Naval Ministry.
18 January 1952
President Syngman Rhee of South Korea claims Takeshima by including it within the Rhee Line (Presidential Proclamation of Sovereignty over Adjacent Seas).
27 June 1953
Shimane Prefecture and the Japan Coast Guard carry out an inspection of Takeshima, order six Koreans to leave the island, and erect a wooden territorial signpost.
25 September 1954
The Japanese Government proposes to South Korea that the Takeshima dispute be referred to the International Court of Justice.
22 June 1965
The japan-South Korea Treaty on Basic Relations is signed,but the Takeshima problem remains unresolved.
1965-1976
The Governor of Shimane Prefecture, under the joint signature of the Chairman of the Shimane Prefectural Assembly, requests that the government secure the territorial rights of Takeshima.
19 March 1977
The Shimane Prefectural Assembly resolves to establish the territorial rights of Takeshima and secure safe fishing operations.
27 April
The Shimane Prefecture Council for the Promotion of Resolving the Takeshima Issue (Promotion Council) is established.
1977-1995
The Promotion Council requests the government to establish territorial rights over Takeshima and secure safe fishing operations.
11 March 1987
The Shimane Prefecture Citizens'Council Demanding the Return of Takeshima and the Northern Territories is established.
1982-Present
A priority request is made to the government to secure territorial rights of Takeshima and safe fishing operations.
15 March 2004
The Shimane Prefectural Assembly officially adopts a written statement that the national government should establishu a `Takeshima Day'.
25-26 October
Shimane Prefecture requests the government to establish `Takeshima Day'.
16 March 2005
The Shimane Prefectural Assembly, supported by a majority, officially passes the `Takeshima Day' Ordinance.
25 March
The Governor of Shimane Prefecture promulgates the `Takeshima Day' Ordinance, and the ordinance enters into effect.

