Syncing a different Google calendar with your personal Google calendar
Here is a brief tutorial on how to sync a different Google calendars with your personal Google calendar.
For this tutorial we will be using the all-events calendar located at this url: http://news.d428.org/all-events.
Locate the public Google calendar you would like to sync to your personal Google calendar.
In the lower right hand side of the embedded calendar you should see a "+", click it.
Clicking on the "+" sign will prompt you to sign into your Google account, if you weren't signed in.
After you have signed in, you will be prompted to add the calendar. Choose the ones you want to add.
You have successfully synced a different calendar to your Google account.