Chrome //
Extensions 
Chrome
Web store
select chrome_id_no,plugin_tag_line,plugin_name,plugin_icon,sitemap_url,oldvsnew_comment from final_chrome_totaldata_sept2022 where MATCH(plugin_name) AGAINST('+facebook +event' IN Boolean MODE) order by users desc
Add Facebook Event to Google Calendar
This extension adds a button on Facebook event pages to add the event to your google calendar.
Facebook: Invite all friends to your event
This extension makes it easier to invite all your friends to a certain event. It seems that Facebook does not have that, right now.
MedianeSocial Facebook Event Selector Friends
Select All your friends an invite them to your events.
Facebook Event Search
This extension will be used to search Facebook Event Invite Pop Up Windows for specific locations.
Facebook Event to Calendar Export
Export Facebook events to your Calendar. No need to press the 'Going' button, which lets friends know you're attending that event.