Center for a Free Cuba
Nine days later on September 1, 1939 Nazi Germany invaded Poland and World War II started. https://cubacenter.org/cuba-brief/2024/08/24/cubabrief-observing-black-ribbon-day-in-remembrance-of-victims-of-totalitarianism-and-the-35th-anniversary-of-the-baltic-ways-nonviolent-triumph/ 6/
