Byabbe
Search histories from Wikipedia for a particular day
Browse our collection of free date APIs. Each API includes detailed documentation, example requests, and usage guides. Click on any API to learn more.
Date.nager.at Holidays
API for public holidays, bank holidays, and school holidays for many countries. No authentication required.
Non-working Days
Simple API for checking working, non-working or short days for Russia, Ukraine, Belarus and Kazakhstan
The Calendar
Public holidays for US states and 30 countries plus sports and finance calendars