If you want to display Facebook events on your website .so you can do it with widgets.Follow step to display  Facebook events on your website.

First goto WordPress admin panel->Appearance->Widget

As per above Screensort  you see the widget as a Featured Events.you can put widget in sidebar and  display events on sidebar.

page_url=”YOUR_PAGE_URL”: Facebook Page URL from where you want to get a event and display on your website.

width & height= if you want to  change  widget width and height then you can adjust using  width & height .

Hide_cover_Photo:If you want to hide Facebook cover image then you have to checked checkbox of Hide_cover_Photo.

Use small_header: If you want to use small cover image then you have to checked checkbox of small_header.

As per above screensort you see the Facebook events on front side on sidebar using widget.