Note  : You can import events using Event IDs. If you are the admin of the page, the page ID works, other page IDs that you are not an admin will not import events from that page id.

Import By: If you want to import events from the page then You have to choose option import by Facebook Pages.
Facebook page id: You can use your own Facebook page id to import events from that page.

Import type: You import event based on one-time .

Import Type: If you choose scheduled import it will give you option once Daily means event import once in a day, once Hourly means one event import hourly, Twice daily means two event import daily, Once month means one event import monthly.

Import Into: You can choose WP Event Aggregator from the drop-down list.

Event Categories for Event Import: This option helps you import events and assign them to the chosen categories.

Status: This option allows you to easily import events into the selected event status.

then you click on Import events button events import in your WordPress.

You can see events on WP events. So this way you import your Facebook page event using  Facebook Page.