<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.tarehe 19 juni 2020 marekani imeadhimisha kumbukumbu ya kufutwa kwa biashara ya utumwa ulimwenguni, kunako tarehe 19 juni 1865.  <response>: the protest marked the anniversary of the emancipation of slaves in the united states on june 19, 1865. 