The international day for the remembrance of the slave trade and its abolition is a special day that we celebrate to remember something really important that happened a long time ago.
A long time ago, people used to buy and sell other people as slaves. This was not okay because it meant that some people treated other people like they were objects to be bought and sold, and not like humans who deserved to be treated with kindness and respect.
Finally, after a long struggle, many people worked together to stop this terrible practice. They decided that no one should be able to buy or sell another person, and they made laws to make sure it would never happen again.
Now, every year on August 23rd, we remember this important occasion and honor those who fought to end the slave trade. It's like a special day to remind us to treat each other with love, respect, and fairness, and to stand up against any unfair treatment of anyone, anywhere.