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I don't have enough context to write an accurate overview of "1673." While you've indicated it's a year, I would need additional information about what specific event, person, work, or topic associated with 1673 you'd like me to explain. Could you provide more details about what aspect of 1673 you're interested in?
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June 17: French explorers Marquette and Joliet become the first Europeans to travel on the Mississippi River.
June 7: First Battle of Schooneveld. 1673 (MDCLXXIII) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1673rd year of the Common Era (CE) and Anno Domini (AD) designations, the 673rd year of the 2nd millennium, the 73rd year of the 17th century, and the 4th year of the 1670s decade. As of the start of 1673, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.