public function removeCalendar($calendarID)
	{
		if ($this->isAuthenticated())
		{
			$jdata = $this->query('https://www.googleapis.com/calendar/v3/users/me/calendarList/' . urlencode($calendarID), null, null, 'delete');

			if ($jdata->body != '')
			{
				throw new UnexpectedValueException("Unexpected data received from Google: `{$jdata->body}`.");
			}

			return true;
		}

		return false;
	}