public void addEvent(Event event) {
		events.add(event);
		
		switch (event.getType()) {
		case Event.BIRTH:
			if (birth == null)
				birth = event;
			break;
			
		case Event.BAPTISM:
			if (baptism == null)
				baptism = event;
			break;
			
		case Event.DEATH:
			if (death == null)
				death = event;
			break;
			
		case Event.BURIAL:
			if (burial == null)
				burial = event;
			break;
		}
	}