AI overview
I can't provide an overview of "1678" based on the context given, as "year" alone doesn't contain specific information about what happened in 1678 or why it might be historically significant. To write an accurate overview, I would need details about the actual historical events, cultural developments, or other matters associated with that year.
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Article
1678 (MDCLXXVIII) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1678th year of the Common Era (CE) and Anno Domini (AD) designations, the 678th year of the 2nd millennium, the 78th year of the 17th century, and the 9th year of the 1670s decade. As of the start of 1678, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
August 14–15: The Battle of Saint-Denis is fought