{"id":4564,"canonical_url":"https://www.kudos365.com/today-in-history/events/1767ce-oct-18--4564","name":"1767 CE, October 18","year":1767,"era":"CE","month":10,"day":18,"url":"https://www.kudos365.com/today-in-history/events/1767ce-oct-18--4564","iso-date":"1767-10-18","precision":"year-month-day","description":"\u003cp\u003e The Mason-Dixon Line survey is officially completed. The historic border survey was undertaken by surveyors Charles Mason and Jeremiah Dixon between 1763 and 1767 to resolve a land dispute between the colonies of Pennsylvania and Maryland and Delaware. This line also became a symbolic boundary between the Northern and Southern states in the era before the American Civil War.\u0026nbsp;\u003c/p\u003e","additional_details":"\u003cp\u003eThe term also refers to the line established by the Missouri Compromise of 1820, which extended the division westward into new territories and is the title of a 1997 postmodern novel by Thomas Pynchon that re-imagines their story.\u003c/p\u003e","photo":"","created_at":"2025-10-10T18:56:08-07:00","updated_at":"2025-10-10T22:25:27-07:00","breadcrumbs":{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"October History","item":"https://www.kudos365.com/today-in-history/october"},{"@type":"ListItem","position":2,"name":"October 18","item":"https://www.kudos365.com/today-in-history/october-18"}]},"schema":{"@context":"https://schema.org","@type":"Thing","@id":"https://www.kudos365.com/today-in-history/events/1767ce-oct-18--4564#eventK365","name":"1767 CE, October 18","headline":"The Mason-Dixon Line survey is officially completed - 1767 CE","description":" The Mason-Dixon Line survey is officially completed. The historic border survey was undertaken by surveyors Charles Mason and Jeremiah Dixon between 1763...","url":"https://www.kudos365.com/today-in-history/events/1767ce-oct-18--4564","additionalType":"HistoricalEvent","inLanguage":"en","datePublished":"2025-10-10T18:56:08-07:00","dateModified":"2025-10-10T22:25:27-07:00","publisher":{"@id":"https://www.kudos365.com/#organizationK365"},"temporalCoverage":"1767-10-18","isPartOf":[{"@id":"https://www.kudos365.com/#websiteK365"},{"@type":"CollectionPage","@id":"https://www.kudos365.com/today-in-history/october","name":"What Happened in October History"},{"@type":"CollectionPage","@id":"https://www.kudos365.com/today-in-history/october-18#pageK365","name":"What Happened on October 18"}]}}