The following is an overview of the days and the corresponding celebration declared by the United Nations that apply to Thursday, 2020-11-05:
In the past 100 years, 58 of them (tsunamis) have claimed more than 260,000 lives, or an average of 4,600 per disaster, surpassing any other natural hazard. The highest number of deaths in that period was in the Indian Ocean tsunami of December 2004. It caused an estimated 227,000 fatalities in 14 countries, with Indonesia, Sri Lanka, India and Thailand hardest-hit..