The program helps you remember historical dates in the form of competitions. Users can add their own dates by specifying the event name and date by selecting a user. For convenience, a breakdown of periods and known events is added by selecting the appropriate item. Players can compete on a separate screen, they are not given the name of the event, and whether the event is known in the world. They need to indicate the correct date. You can see the results on the corresponding screen. You can additionally see lists of all words.