Togo Heihachiro was a navy officer in the Meiji Era to the Showa Era. Togo Heihachiro became the Commander-In-Chief of the Combined Fleet in 1903 (36th year of Meiji) and commanded the Japanese Fleet to battle with the Russian Fleet during the Russo-Japanese War. After the war, he took office as Chief of the Naval General Staff Office and was later promoted to Admiral of the navy. Togo Heihachiro died in 1934 (9th year of Showa) at the age of 86.
　The Japan Center for Asian Historical Records retains the materials relating to Togo Heihachiro.

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
1847 (4th year of Koka) Born in Kajiya-cho, current Kagoshima City, Kagoshima Prefecture.
1863 (3rd year of Bunkyu) Served in Anglo-Satsuma War.
1868 (4th year of Keio) Went to the front in Boshin War (Japanese civil war 1863-1868).
1871 (4th year of Meiji) Went to Britain to study.
1894 (27th year of Meiji)

Went to the front in the Sino-Japanese War of 1894-1895.
　Togo Heihachiro, Captain of Warship Naniwa, attacked and sank a ship with the British flag (Gaosheng Incident), causing an international dispute.
(Pages 71 to 72, Volume 2; and Pages 51 to 52, Volume 3, of Japanese pocket edition of "Saka no ue no Kumo")

Title: Attacking and sinking a British merchant ship as the Gaosheng (Japanese name: Kosyougo).
 Reference code: B03030208100
　The Japanese government made an investigation into the sinking of the Gaosheng (Japanese name: Kosyougo) for fact-finding in fear of worsening the relationship with Britain. It is the record of the investigation results.
(Diplomatic Archives of the Ministry of Foreign Affairs of Japan)

Diplomatic Archives of the Ministry of Foreign Affairs of Japan Appointed as Commander-In-Chief of the Combined Fleet.
1904 (37th year of Meiji)

Went to the front in the Russo-Japanese War.
　Togo Heihachiro battled with the Russian fleet in the attack at Port Arthur (Lushun), the naval battle off Inchon, the Battle of Yellow Sea, and the Battle of Tsushima.
(Pages 198 to 214, Volume 3; Pages 34 to 70, Volume 4; and Pages 7 to 256, Volume 8, of Japanese pocket edition of "Saka no ue no Kumo")

Title: Review of the Russo-Japanese War by the Times (3)
 Reference code: A03023681200
　Translation of an article of the Times of Britain dated February 11, 1904 (37th year of Meiji). The article reports the progress of the sea battles just after the opening of the Russo-Japanese War that began on February 8.
(Source: National Archives of Japan (NAJ))

Title: Review of the Russo-Japanese War by the Times (88): The Battle on August 10.
 Reference code: A03023689800
　This is the translation of an article reported by the Times dated August 15, 1904 (37th year of Meiji). It records the detailed situations of the Battle of Yellow Sea on August 10.
(Source: National Archives of Japan (NAJ))

Title: Review of the Russo-Japanese War by the Times (215): the Battle of Tsushima
 Reference code: A03023702400
　This is the translation of an article reported by the Times dated June 7, 1905 (38th year of Meiji). The result of the sea battle is reported with its significance that must give international civilizations an impression which it would be a turning point to end the war.
(Source: National Archives of Japan (NAJ))

1913 (2nd year of Taisho)

Awarded the title of Admiral of the Navy.

Title: Count Togo Heihachiro being appointed as the member of Admiral Office and specially given the title of Admiral of the Admiral Office
 Reference code: A03023390900
　This is the official document awarding the title of Admiral of the Navy.
(Source: National Archives of Japan (NAJ))

1934 (9th year of Showa)

Togo Heihachiro died at the age of 86.

Title: The special state funeral for the late Marquis Togo Heihachiro, Admiral of the Navy
 Reference code: A03023474400
　The Japanese government made a decision of the State funeral for Togo Heihachiro right after his death.
(Source: National Archives of Japan (NAJ))