Inserting: Google Calendar
"Google calendar" content box is used to insert calendar for web sites. With wide configuration options, you can customize the information you like to display.
Use the "Insert" > "Google / Google calendar" command located in the top menu bar.
As a result, at the bottom of your web site is added new content box named "New Google calendar".
Now use the "pencil" icon located on the gray navigation bar of the new content box to edit it.