Google calendar in Mozilla Thunderbird on Ubuntu 11.10

Via the Ubuntu Software Centre:

1. Search for thunderbird
2. Click on the search result “Thunderbird Email” and then on the “More Info” button
3. Enable at least the “Calendar Extension for Thunderbird – Google Calendar support (xul-ext-gdata-provider)”
4. Install the add-ons
5. Open your Google Calendar in your web browser
6. In the left-hand column, under “My calendars”, hover over the calendar of choice and click the down arrow that appears after the calendar name
7. Select “Calendar settings”
8. Close to the bottom of the page will be the “Calendar ID” (in my case it is my full email address. Make a note of this ID.
9. Start up Thunderbird upon completion.
10. File -> New -> Calendar
11. Select “On the Network” and click Next
12. Select “CalDAV”
13. In the Location field enter: https://www.google.com/calendar/dav/calendar.id.noted.in.point.8/events
14. Click Next then enter a name for the calendar and set an email account against it
15. When prompted, enter your username and password for accessing this calendar