August 15 is a significant date for several countries celebrating their Independence Day, marking their liberation from colonial or foreign rule. While India famously celebrates its Independence Day on August 15, several other countries also mark this date to commemorate their liberation. Here are five countries that share this historic date with India.August 15 is a significant date for several countries celebrating their Independence Day, marking their liberation from colonial or foreign rule. While India famously celebrates its Independence Day on August 15, several other countries also mark this date to commemorate their liberation. Here are five countries that share this historic date with India.