Theodore Roosevelt is the 26th President of the United States of America. He was promoted to the president from the Vice President in 1901 (34th year of Meiji) as a result of the assassination of President McKinley and was re-elected by winning the landslide victory in the election in 1904 (37th year of Meiji). At the Russo-Japanese War, Roosevelt assisted Japan in various forms including financial assistance to check the invasion of Manchuria by Russia, and contributed to the conclusion of the Russo-Japanese Peace Treaty (Portsmouth Treaty) hoping the peace under the balanced power between Japan and Russia. He died in 1919 (8th year of Taisho) at the age of 61.
　The Japan Center for Asian Historical Records retains a large collection of materials relating to Theodore Roosevelt.

As for underlined characters in the texts or chronological tables, small type is linked with related materials and bold-faced type is linked with the glossary, respectively.

　
Year Occurrence
1858 (5th year of Ansei) Born in New York.
1897 (30th year of Meiji) Appointed as Assistant Secretary of Navy.
　Roosevelt played an important role under President McKinley in connection with the opening of Spanish-American war and other scenes.
1901 (34th year of Meiji) Promoted to the president from the Vice President in 1901 (34th year of Meiji) as a result of the assassination of President McKinley.
1904 (37th year of Meiji)

Re-elected as President as a result of the landslide victory in the election.

Title: November 8, 1904 to July 21, 1905 (Miscellanies of domestic political affairs in each country/the U.S. Vol. 3)
 Reference code: B03050809300
　This contains a report on the presidential election of the United States of America re-electing Theodore Roosevelt. The 4th image refers to the State of the Nation by the president at the Congress, which gives hints on the American diplomatic policies in connection with the Russo-Japanese War.
(Diplomatic Archives of the Ministry of Foreign Affairs of Japan)

1905 (38th year of Meiji)

Holding the Russo-Japanese Peace Conference at Portsmouth, USA.
(Pages 202 to 225, Volume 7 of Japanese pocket edition of "Saka no ue no Kumo")

Title: Chapter 1 From Port Arthur to Portsmouth (Emerging Japan and U S public opinion)
 Reference code: B02130983600
　This is the Japanese version of "Japan in American Public Opinion" translated by the Information Department of Ministry of Foreign Affairs in 1939 (14th year of Showa). It records the US public opinions and the diplomatic policies of Roosevelt during the Russo-Japanese War.
(Diplomatic Archives of the Ministry of Foreign Affairs of Japan)

1908 (41st year of Meiji) The Root-Takahira Agreement was concluded to confirm the maintenance of the status quo of the Pacific Ocean between Japan and the United States of America.
1909 (42nd year of Meiji)

The President’s term expired.

Title: Letter from Mr. Takahira, the Ambassador in US, concerning a rumor on the tour in East Asia by Roosevelt, the US President, after his resignation and the greeting of the Imperial Family before his resignation
 Reference code: B03030311800
　, Ambassador Extraordinary and Plenipotentiary to USA, submitted a proposal to invite the ex-President Roosevelt to Japan. But this did not realize.
(Diplomatic Archives of the Ministry of Foreign Affairs of Japan)

1919 (8th year of Taisho) Roosevelt died on January 6 at the age of 61.