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X1

Wikimedia disambiguation page

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMar 24, 2026
Entity authorityQ359081
Source-derived summary

X1 or X-one may refer to:

Transportation

Automobiles

BMW X1, a 2009–present German subcompact luxury SUV

Geely Yuanjing X1, a 2017–2021 Chinese mini crossover

Red Bull X1, the former name of the Red Bull X2010, a fictional car created for the game Gran Turismo 5

Wrightspeed X1, a 2008 electric sports car prototype based on the Ariel Atom

Bus routes

X1 (Metrobus), a bus route in Washington, District of Columbia, United States

X1 (New York City bus), a bus route in New York City, New York, United States

X1 Steel Link, a bus rapid transit service between Sheffield, Rotherham, and Maltby in England, United Kingdom

Excel X1, a bus route from Lowestoft to Peterborough in England, United Kingdom

X1 Glasgow–Hamilton, a former bus route in Scotland

Green Line routes X1 and X10, a former coach route from Southend-on-Sea to London

Rail transport

SL X1, a former Swedish commuter train built by ASEA

LNER Class X1, a single locomotive rebuilt several times in its history

Watercraft

X1 (dinghy), a fast, light-weight sailing dinghy designed for inland racing

HM Submarine X1, a Royal Navy submarine

Aircraft

Bell X-1, an experimental rocket plane

Technology

Sharp X1, a Japanese home computer manufactured by the Sharp Corporation

Xbox One, a video game console

a one-lane PCI Express slot

Cray X1, a supercomputer sold in the 2000s

Electrologica X1, an early Dutch computer

Sony Ericsson Xperia X1, a mobile phone

ThinkPad X1 series, a line of notebook computers first released by Lenovo in 2012

X1 Discovery a software company formerly known as X1 Technologies, Inc.

Editorial summary

The public source identifies “X1” as wikimedia disambiguation page. This brief keeps that definition visible, then builds a research path around Wikimedia, disambiguation and page.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—2009, 2017, 2021, 2008—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Wikimedia, disambiguation and page providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “X1”, the useful work is to connect “wikimedia disambiguation page” to the records capable of establishing context and consequence.

Evidence profile

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 Mar 24, 2026. The linked authority identifier is Q359081. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2009, 2017, 2021 and 2008.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “X1”, its source revision and the description used here.
  2. Expand the search: follow X1 primary sources, X1 archive and Wikimedia research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “X1”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from X1” 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.