73rd meridian west
line of longitude west of the Greenwich Meridian

The meridian 73° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Atlantic Ocean, the Caribbean Sea, South America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 73rd meridian west forms a great circle with the 107th meridian east.
“73rd meridian west” enters the record as line of longitude west of the Greenwich Meridian. Crown Archives preserves that source wording while asking what 73rd, meridian and west can confirm, complicate or overturn.
Why this record matters
“73rd meridian west” is worth following because a concise public description often conceals a longer documentary argument. Here, 73rd, meridian and west provides the most credible route into that argument.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 25, 2025. The linked authority identifier is Q2708819. Authority coordinates are 0.000, -73.000. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
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Three-step research path
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- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
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This entry incorporates text from “73rd meridian west” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.