← All stories

Slideshow · Viral

20 Hidden Details Inside the Tomb of the Unknown Soldier

Honoring fallen service members whose names and resting places remain lost to history.

26 min ago

8 Min Read21 Slides
  1. U.S. Tomb of the Unknown Soldier Memorial Amphitheater and plaza at Arlington National Cemetery
▼ Visual Countdown

Across national monuments worldwide, the Tomb of the Unknown Soldier represents fallen service members whose names and resting places remain lost to history. From ancient battlefield traditions to 24-hour sentinel guards in blizzards, here are twenty extraordinary facts about these solemn shrines.

Swipe or tap ▶ to begin the countdown

©Wikimedia / Carol M. Highsmith & Wikimedia / U.S. Army Band

📖 Complete Countdown Guide

All 20 Entries in this Story

20 Highlights · Full Editorial Review
#1

1. Core Purpose Of The Monument

The Tomb of the Unknown Soldier honors service members who made the ultimate sacrifice without having their remains identified. Rather than celebrating an individual commander, it elevates every lost soldier to the status of a revered national hero.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Core Purpose Of The Monument
Photo: Wikimedia / The Old Guard
#2

2. A Shared Place Of Mourning

For grieving families whose fallen relatives disappeared on foreign battlefields, the tomb serves as a personal headstone. Citizens visit the site knowing their missing brother, father, or comrade might be the very soldier resting beneath the stone.

20 Hidden Details Inside the Tomb of the Unknown Soldier — A Shared Place Of Mourning
Photo: Wikimedia / U.S. Army Band
#3

3. Born From Industrial Warfare

The unprecedented artillery bombardments of the Western Front destroyed dog tags, equipment, and human remains on an industrial scale. Nations faced the reality that hundreds of thousands of soldiers would never have an individual gravesite.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Born From Industrial Warfare
Photo: Wikimedia / Library of Congress
#4

4. The Twin 1920 Ceremonies

On 11 November 1920, exactly two years after the armistice ended the Great War, Great Britain and France conducted simultaneous state burials. Britain entombed a warrior in Westminster Abbey, while France buried a soldier beneath the Arc de Triomphe.

20 Hidden Details Inside the Tomb of the Unknown Soldier — The Twin 1920 Ceremonies
Photo: Wikimedia / Imperial War Museums
#5

5. Soil From French Battlefields

Resting inside Westminster Abbey, the British Unknown Warrior was buried in one hundred sacks of earth brought directly from the battlefields of France. Royal brides lay their wedding bouquets on the stone, but no visitor is permitted to walk across it.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Soil From French Battlefields
Photo: Wikimedia / Colin Smith
#6

6. Rekindled Every Evening

Beneath the soaring arches of Paris's Arc de Triomphe, the French Unknown Soldier rests beneath bronze lettering and floral wreaths. An eternal flame lit in November 1923 has never been extinguished, rekindled every evening at 6:30 PM by veterans.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Rekindled Every Evening
Photo: Wikimedia / Agence Meurisse
#7

7. Adopted By Over Two Dozen Nations

Following the Franco-British dedications, dozens of sovereign nations created their own unknown soldier memorials. Renowned examples include Italy's Altare della Patria in Rome, Canada's National War Memorial in Ottawa, and Australia's War Memorial in Canberra.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Adopted By Over Two Dozen Nations
Photo: Wikimedia / Carlo Dani
#8

8. Overlooking Washington D.C.

Perched on a grassy ridge in Arlington, Virginia, the U.S. Tomb of the Unknown Soldier overlooks the Potomac River and the monuments of Washington. It sits directly on the plaza of the neoclassical Memorial Amphitheater.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Overlooking Washington D.C.
Photo: Wikimedia / Elizabeth Fraser
#9

9. The 1921 Armistice Day Dedication

Congress authorized the memorial in early 1921 to receive an unidentified casualty from the American Expeditionary Forces in France. Over one hundred thousand spectators lined the procession route as President Harding officiated the state funeral.

20 Hidden Details Inside the Tomb of the Unknown Soldier — The 1921 Armistice Day Dedication
Photo: Wikimedia / Agence Rol
#10

10. The White Rose Selection

To guarantee absolute anonymity, four unidentified American bodies were exhumed from four separate French military cemeteries. Decorated World War I sergeant Edward F. Younger walked around the four unmarked caskets and placed a spray of white roses on the chosen one.

20 Hidden Details Inside the Tomb of the Unknown Soldier — The White Rose Selection
Photo: Wikimedia / National Archives
#11

11. Expanding For WWII And Korea

On Memorial Day in 1958, two additional unknown service members were entombed in marble crypts on the plaza. President Dwight D. Eisenhower presented both with the Medal of Honor before they were placed beside their World War I brother in arms.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Expanding For WWII And Korea
Photo: Wikimedia / U.S. Army
#12

12. The 1984 Vietnam Burial

During Memorial Day ceremonies in 1984, President Ronald Reagan presided over the interment of the Vietnam Unknown. Forensic technology had already improved, leaving very few unidentifiable casualties from Southeast Asia.

20 Hidden Details Inside the Tomb of the Unknown Soldier — The 1984 Vietnam Burial
Photo: Wikimedia / White House
#13

13. Identified Via Mitochondrial DNA

At the request of his family, the Pentagon exhumed the Vietnam Unknown in 1998 for mitochondrial DNA testing. Scientists proved the remains belonged to downed pilot First Lieutenant Michael Blassie, who was reinterred in his hometown, leaving the plaza crypt empty.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Identified Via Mitochondrial DNA
Photo: Wikimedia / Dept of Defense
#14

14. Carved Colorado Yule Marble

The neoclassical sarcophagus was quarried from the high-elevation Yule quarry in Marble, Colorado. Weighing roughly fifty-six tons upon extraction, the massive block required a custom seventy-five-man logging team and special railcars to transport.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Carved Colorado Yule Marble
Photo: Wikimedia / Carol M. Highsmith
#15

15. Peace, Victory, And Valor

Carved into the east facade facing Washington are three classical draped figures in low relief. Sculptor Thomas Hudson Jones depicted Peace holding an olive branch, flanked by Victory holding a palm frond and Valor holding a sheathed sword.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Peace, Victory, And Valor
Photo: Wikimedia / Carol M. Highsmith
#16

16. 'Known But To God'

Facing the neoclassical Memorial Amphitheater, the western panel bears the words: 'Here rests in honored glory an American soldier known but to God.' The phrase was penned by General John J. Pershing, commander of the American Expeditionary Forces.

20 Hidden Details Inside the Tomb of the Unknown Soldier — 'Known But To God'
Photo: Wikimedia / Carol M. Highsmith
#17

17. Guarded Day And Night Since 1937

On 2 July 1937, the military initiated an unbroken 24-hour guard schedule that has continued without interruption for nearly a century. Even during Category 3 hurricanes, historic blizzards, and government shutdowns, Tomb Sentinels remain on their post.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Guarded Day And Night Since 1937
Photo: Wikimedia / U.S. Army
#18

18. Sentinels Of The Old Guard

The sentinels are selected from the 3rd U.S. Infantry Regiment, nicknamed The Old Guard, which dates back to 1784. Soldiers undergo months of intensive training, memorizing hundreds of pages of cemetery history and perfecting every crease of their uniform.

20 Hidden Details Inside the Tomb of the Unknown Soldier — Sentinels Of The Old Guard
Photo: Wikimedia / Sgt. Jose Torres Jr.
#19

19. The Ritual Of Twenty-One

Every movement of the guard walk is governed by the number twenty-one, reflecting the 21-gun salute, the highest military honor. A sentinel takes exactly twenty-one crisp steps down the black mat, turns toward the tomb for twenty-one seconds, and turns back for twenty-one seconds.

20 Hidden Details Inside the Tomb of the Unknown Soldier — The Ritual Of Twenty-One
Photo: Wikimedia / Elizabeth Fraser
#20

20. The Rare Tomb Guard Badge

The Tomb Guard Identification Badge is the third least-awarded qualification badge in the entire United States Army. Recruits must complete a grueling test on cemetery history, uniform preparation, and precision rifle drill with a score of 95 percent or higher.

20 Hidden Details Inside the Tomb of the Unknown Soldier — The Rare Tomb Guard Badge
Photo: Wikimedia / Elizabeth Fraser

Up Next · Recommended Stories

6 stories