{"uid":"cap_iGF4vBGbVQNRRScQ_CHgh","slug":"wikipedia-on-this-day-830fc9b9","name":"Wikipedia On This Day","description":"Historical events, births, deaths or holidays on a calendar date (month and day), with years and linked article titles.","url":"https://wikipedia-attention.x402tookit.com/on-this-day?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["month","day"],"properties":{"day":{"type":"integer","description":"Day 1 to 31"},"kind":{"type":"string","description":"events (default), births, deaths or holidays"},"limit":{"type":"integer","description":"Items 1 to 30 (default 10)"},"month":{"type":"integer","description":"Month 1 to 12"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"day":{"type":["null","number"]},"asOf":{"type":["null","string"]},"kind":{"type":["null","string"]},"items":{"type":["array","null"],"items":{"type":"object","properties":{"text":{"type":["null","string"]},"year":{"type":["null","number"]},"articles":{"type":["array","null"],"items":{"type":"string"}}}}},"month":{"type":["null","number"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"sourceUrl":{"type":["null","string"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"attribution":{"type":["null","string"]},"totalListed":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PGc1-D_LBx7mPJfdlRab4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns historical events, births, deaths, or holidays for a given calendar date (month and day), with years and linked Wikipedia article titles.","exampleAgentPrompt":"What are the top 5 historical events that happened on July 4th according to Wikipedia — can you pull those up with the years and article links?","exampleUseCases":[{"title":"Birthday historical events lookup","prompt":"It's my birthday today — March 15th. Can you pull up 10 historical events that happened on this day throughout history, with the years they occurred?"},{"title":"Famous births on a given date","prompt":"Who are some famous people born on February 14th? Give me up to 15 births from Wikipedia with the years."},{"title":"Historical deaths for a memorial post","prompt":"I'm writing something about November 22nd — what notable deaths occurred on that date throughout history? Show me up to 10 with years and article links."}],"resultDescription":"Returns a structured list of up to 30 items for the specified date, each containing a year, descriptive text, and linked Wikipedia article titles. Also includes metadata such as the kind (events, births, deaths, holidays), source URL, attribution, total count listed, and a summary. May include degraded status and disclaimer if data quality is reduced.","failureModes":["Invalid month or day values (outside 1-12 or 1-31) result in errors","No data found for rare or unsupported dates","Rate limiting or payment failure with x402 protocol","kind parameter with unsupported value returns error or empty results","limit outside 1-30 range may be rejected"],"whenToPreferThis":"Choose this endpoint when you need structured, year-stamped historical facts, notable births, deaths, or holidays tied to a specific calendar date (month and day). It is ideal for trivia apps, calendar widgets, anniversary features, or any context where 'on this day in history' data is needed with direct links to Wikipedia articles for further reading.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:24.144Z","isFirstParty":false,"canonicalSlug":"wikipedia-on-this-day-830fc9b9"}