In the given context the informative speech of the speaker fits into event category.
Explanation:
Speech can be categorized into different categories like informative, descriptive, narrative, subjective etc.
- In informative speech speaker mainly point the place of occurrence, date of the incident and consequences of event in brief.
- In descriptive speech narrator describes the whole event thoroughly from top to bottom.
- In narrative speech speaker narrates the whole story in his own approach. And
- In subjective speech speaker only highlights the main points that needs to be remembered. In informative speech core of the theme is event based.