World Day against Trafficking in Persons 2019 is held on July 30th 2019, and is an annual event. People trafficking and modern day slavery is a massive worldwide problem with very few countries immune to human trafficking, and the event by the United Nations is to raise awareness and increase prevention of that.
https://www.awarenessdays.com/awareness-days-calendar/world-day-against-trafficking-in-persons-2019/
https://rscj-anz.org/wp-admin/post.php?post=3033&action=edit
International Day Against the Trafficking in Persons Tuesday, 30th July 2019