Another lesson of those crises is the necessity of rapid decisions when and where needed. The ECB proved a capacity to decide rapidly when the crisis started and I have to say hat the central banks all over the world avoided the depression because we, together did not lose time. It was a matter of weeks and, at certain moments a question of days.
A third lesson valid for all crises and particularly for the present one is that institutions and individuals have to remain calm and never to lose sang-froid. Keeping composure in very demanding circumstances is always necessary to handle correctly the unfolding of a crisis.