public function deleteEvent($calendarID, $eventID)
	{
		if ($this->isAuthenticated())
		{
			$url = 'https://www.googleapis.com/calendar/v3/users/me/calendars/' . urlencode($calendarID) . '/events/' . urlencode($eventID);
			$data = $this->query($url, null, null, 'delete');

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

			return true;
		}
		else
		{
			return false;
		}
	}