When Did the United States First Engage with Japan? A Historical Timeline

• 1797: American ship Eliza visits Nagasaki (limited contact).
• 1853: Commodore Matthew Perry arrives with "Black Ships," demands opening.
• 1854: Convention of Kanagawa: US access to Hakodate & Shimoda.
• 1858: Harris Treaty of Amity and Commerce: Full trade, diplomatic relations, consul in Shimoda.
• 1868–1912 (Meiji Era): US advisors aid Japan's modernization (military, education, industry).
• Early 20th Century: Diplomatic relations continue; tensions rise in 1930s leading to WWII.

The relationship began with trade attempts, shifted to forced opening, then deepened into a partnership during Japan's modernization.