With Calendars 5 you can create events by simply typing a descriptive title in plain English. The app will recognize the input and schedule an event for you. The feature is currently available for English, German, French, Italian, Spanish and Russian.
To turn Natural Language Input off, follow these steps:
Note: To go to Calendars Settings on iPhone, tap on the three horizontal lines button
Here are some examples of the titles Calendars 5 will understand: