This evening marks the beginning of Yom HaShoah, Holocaust Remembrance Day.
— Read on www.canada.ca/en/canadian-heritage/news/2023/04/statement-by-minister-hussen-on-yom-hashoah-holocaust-remembrance-day.html

It is an international recognition of what happened and what it’s like now.

https://en.wikipedia.org/wiki/Yom_HaShoah?wprov=sfti1

We can all remember the Holocaust on this solemn day.