What is thisDay.info?
thisDay.info is a free, ad-supported historical events calendar that lets you explore what happened on any day throughout history. Browse wars, scientific discoveries, political milestones, famous births, and notable deaths — all organized by date and drawn from Wikipedia's extensive historical records.
Whether you're curious about what happened on your birthday, a student looking for historical context, or simply a history enthusiast, thisDay.info makes the past accessible and engaging. No registration required. No paywalls. Just history.
What You Can Do Here
Browse Any Date
Navigate month by month and click any day to see a full list of events, births, and deaths from throughout history.
Filter by Category
Narrow events by topic — War & Conflict, Science & Technology, Politics, Arts, and more.
Read In-Depth Posts
Our blog goes beyond the bullet points, with original articles that place historical events in their broader context.
Works on Any Device
Fully responsive design that works great on desktops, tablets, and mobile phones. Install it as a PWA for offline access.
Wikipedia-Powered
All event data is sourced from the Wikimedia Foundation's API, ensuring reliable and well-documented historical records.
Daily Quiz
Test your knowledge with our daily history quiz — a fun way to learn something new about the past every day.
Our Data
All historical event data on thisDay.info is sourced from Wikipedia via the Wikimedia REST API. Content is provided under the CC BY-SA 4.0 license. Each event links directly to its Wikipedia article so you can verify facts and explore further.
Our original blog posts are written independently and represent our own editorial perspective on historical events. We strive for accuracy but encourage readers to consult primary sources for important decisions.
Who Built This?
thisDay.info was designed and developed by Armin Kapetanovic, a developer with a passion for making information accessible and beautifully presented on the web.
The project is open source and available on GitHub. Contributions, bug reports, and feedback are always welcome.
If you find thisDay.info useful and want to support its continued development, buy me a coffee — it genuinely helps keep the site running.
Get in Touch
Have a suggestion, found an error, or just want to say hello? Visit our contact page or reach out directly at [email protected].
You can also follow us on social media for history highlights and new blog posts: