List of State Leaders in 1866 - North America

North America

• Province of Canada
  • Governor: The Viscount Monck of Ballytrammon, Governor of the Province of Canada (1861–1867)
  • Joint Premiers: Sir John A. Macdonald and Sir Narcisse-Fortunat Belleau, Joint Premiers of the Province of Canada (1865–1867)
• Costa Rica -
  1. Jesús Jiménez Zamora, President of Costa Rica (1863–1866)
  2. José María Castro Madriz, President of Costa Rica (1866–1868)
• Honduras - José María Medina, President of Honduras (1864–1872)
• Mexico: Maximilian of Habsburg, Emperor of Mexico (1864–1867)
• United States: Andrew Johnson, President of the United States (1865–1869)