Holidays every day and historical calendar is an Android application developed by Vyacheslav Shengur that offers up-to-date information on holidays and historical events from around the world. This app helps users learn about interesting holidays and historical moments of various countries, reminding them of what day it is and what happened on this day in history. It also provides information about famous people's birthdays and deaths, including celebrities and influential figures. The app has a user-friendly interface and supports multiple languages, including Deutsch, English, Español, Français, and Русский.

The app's features include a calendar of events, reminders, and the ability to share events with family and friends. It uses Wikipedia as its source of information, providing accurate and reliable information to its users. Whether it is a government, professional, international, religious, church, or any other type of holiday, this app has got you covered. With the Holidays every day and historical calendar app, you will always be up-to-date with the world's history and celebrations.