AI overview
I don't have specific context about what "1860" refers to beyond it being a year. To write an accurate 2-sentence overview, I would need more information about what subject or event you're asking about—for example, whether this is about a historical event, a book, a film, or something else. Could you provide additional context?
AI-generated from the Wikipedia summary — may contain errors.
Article
July 20: Giuseppe Garibaldi defeats Neapolitan Army in the Battle of Milazzo in war of Italian unification. December 20: Governor Francis Pickens leads secession of South Carolina from the United States after Lincoln's election. 1860 (MDCCCLX) was a leap year starting on Sunday of the Gregorian calendar and a leap year starting on Friday of the Julian calendar, the 1860th year of the Common Era (CE) and Anno Domini (AD) designations, the 860th year of the 2nd millennium, the 60th year of the 19th century, and the 1st year of the 1860s decade. As of the start of 1860, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
Political map of the world in 1860