On this day in history (Wikipedia) API

Notable historical events, births, deaths, or holidays for a calendar date (defaults to today), from Wikipedia. For trivia, content, and daily-digest agents. Answers 'what happened on June 3', 'historical events today', 'who was born on this date', 'on this day in history'.

Price$0.01per request

MethodPOST

Route/v1/data/on-this-day

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache86400s public

datahistoryon-this-daywikipediaeventstriviaalmanaccontent

API URLhttps://x402.hexl.dev/v1/data/on-this-day

Integration docs

Example request

{
  "month": 6,
  "day": 3,
  "type": "events",
  "limit": 1
}

Example response

{
  "date": "06-03",
  "type": "events",
  "count": 1,
  "items": [
    {
      "year": 1965,
      "text": "Gemini 4: astronaut Ed White makes the first US spacewalk.",
      "links": [
        {
          "title": "Gemini 4",
          "url": "https://en.wikipedia.org/wiki/Gemini_4"
        }
      ]
    }
  ]
}

Input schema

{
  "type": "object",
  "properties": {
    "month": {
      "type": "number",
      "examples": [
        6
      ]
    },
    "day": {
      "type": "number",
      "examples": [
        3
      ]
    },
    "type": {
      "type": "string",
      "enum": [
        "events",
        "births",
        "deaths",
        "holidays",
        "selected"
      ],
      "default": "events"
    },
    "limit": {
      "type": "number",
      "default": 15
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}