Title: Ōtsu Jiken no nazo ni semaru
Subjects: Trials, litigation, Offenses against foreign heads of state, History, Assassination attempt, 1891, Trials (Assassination), Judicial power
Places: Japan, Ōtsu-shi
People: Sanzō Tsuda (1854-1891), Nicholas II Emperor of Russia (1868-1918), Iken Kojima (1837-1908)
Time periods: 19th century, 20th century