AI overview
I cannot write an overview of "1668" based on the context provided, as "year" alone does not give me enough specific information about what happened in 1668 or why it would matter. To provide an accurate and neutral overview for a general reader, I would need factual details about significant events, people, or developments from that year.
AI-generated from the Wikipedia summary — may contain errors.
Article
May 2: France gains territory (shown in blue) from the Spanish Netherlands after the Treaty of Aix-la-Chapelle ends the War of Devolution.
1668 (MDCLXVIII) was a leap year starting on Sunday of the Gregorian calendar and a leap year starting on Wednesday of the Julian calendar, the 1668th year of the Common Era (CE) and Anno Domini (AD) designations, the 668th year of the 2nd millennium, the 68th year of the 17th century, and the 9th year of the 1660s decade. As of the start of 1668, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.