In one sentence, describe what the following article is about:

It's left of the search bar at the top of the window. It's on the left side of the window, under "Explore." It's in the right-center of the window. It's the first option in the drop-down menu.  Only invited guests can see private events. Public events are open to everyone on Facebook and do not use invitations. Include the time, place, and a title for your event. You can also allow your friends to invite friends by checking a box on the bottom of this page. It's in the lower-right corner of the dialog box. It's a drop-down menu on the right side of the window.  It's on the left side of the dialog box. There is no "select all" function for your "All Friends" list. Click on the buttons next to three or four friends' names, and then deselect them. It's the logo for the extension and appears on the right side of the search bar at the top of the Chrome window.  The extension will select all of the friends (up to 500) on your list. Facebook currently limits the number of invites per event to 500 to prevent spamming. It's in the lower right corner of the dialog box. This sends the invitations to your friends.

Summary:
Go to Facebook. Click on the Facebook logo. Click on Events. Click on +Create Event. Click on Create Private Event. Enter the details for your event. Click on Create Private Event. Click on Invite. Click on Invite Facebook Friends. Click on All Friends. Select a few friends. Click on ✔️. Click on Send Invites.