Technology Amazon CEO Jeff Bezos wants employees to cancel all meetings on June 19. Here's why Updated : June 17, 2020 02:07 PM IST Juneteenth is a holiday celebrating the emancipation of African-Americans from slavery in the US. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.