January 1, 1858
War in British Columbia
1858 battle in Mexico
1858 secret agreement between Piedmont-Sardinia and France
Our Lady of Lourdes — Title of Mary, mother of Jesus, related to her alleged apparitions in Lourdes
Battle of the Indian Rebellion of 1857
1858 treaty between Costa Rica and Nicaragua
1858 battle fought in Washington
Treaty of Aigun — 1858 treaty between Russian Empire and Manchu Chinese Empire
1858 treaty between the United States and the Sisseton and Wahpeton bands of Dakota
1858 Ottoman Wars conflict in Montenegro