Center for a Free Cuba
Months later, the Soviet Union invaded and annexed the Baltic States in June 1940. 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/ 12/
