This is an exciting mix of chance, historical concentration, and cultural overlaps.
August 15 is actually a “date with a high density of holidays” worldwide, but the causes arose independently of each other.
1.
Assumption of Mary
(Assumption of Mary) – Catholic high holiday
- Meaning: Celebration of the assumption of the Virgin Mary into heaven with body and soul.
- Origin: Ecclesiastically documented as early as the 5th–6th century; dogmatically defined in 1950.
- Regions:
- Public holiday in many Catholic countries (e.g. Austria, Liechtenstein, parts of Germany, Luxembourg, Spain, Portugal, Poland, Lithuania)
- Also widespread in Latin America and the Philippines.
- Italy: Here the day is called Ferragosto and is one of the country’s biggest summer festivals – originally introduced by Emperor Augustus (18 BC) as “Feriae Augusti”, later merged with the Assumption of Mary.
→ Major start of travel, festivals, and holidays in Italy.
2.
Indian Independence Day
- Meaning: Independence from Great Britain on August 15, 1947.
- Reason for the date: Lord Mountbatten, the last British Viceroy, deliberately chose the date because it was the second anniversary of the Japanese surrender in World War II (V-J Day in Asia).
- Celebration: National flag ceremonies, military parades, speeches by the Prime Minister in Delhi.
3. Other important events & holidays on August 15
| Region / Country | Event / Holiday | Background |
| Japan / South Korea | Anniversary of the end of World War II (V-J Day, 1945) | Surrender of Japan on Aug. 15 (local time) |
| Congo (Rep. of Congo) | Independence Day (1960) | From France |
| Liechtenstein | National Day | Combination of Assumption of Mary and Prince’s birthday |
| Poland | Day of the Polish Army | Commemoration of the “Battle of Warsaw” 1920 |
| France (Corsica) | Memorial day for the landing of Provence 1944 | Allied landing against Nazi occupation |
| North Korea | “Day of Liberation” | Surrender of Japan, end of colonial rule over Korea |
4. Why so many events on August 15?
- Ecclesiastical influence: The Assumption of Mary was already a central date in the Middle Ages – often an anchor point for markets, festivals, contracts.
- Political symbolism: The day falls in the second half of August – many independence celebrations in the postwar period were deliberately set on existing or symbolic dates.
- Summery timing: In the northern hemisphere, August is a “holiday-friendly” month when many people are off – ideal for major events and state celebrations.
- Historical coincidences: Some independence days (e.g. India, Korea) were set after military events that happened to fall on this date.
💡 In short: August 15 is not a “mystical date of destiny”, but it bundles centuries-old ecclesiastical tradition, modern political symbolism, and summery festival culture. This makes it seem particularly eventful worldwide.