The boss of Twitter and Square has said that both firms will honour Juneteenth as a company holiday in America.
Jack Dorsey also said Twitter was working to identify which days it made most sense to recognise the end of slavery in other countries.
Juneteenth is observed by many African-Americans on 19 June every year to mark the emancipation from slavery in the US.
It comes as companies respond to Black Lives Matter protests around the world.
The roots of Juneteenth ... Read even more
