The Oldest Army in History: The Immortal Persian Immortals

The Immortal Persian Immortals, also known as the Ten Thousand Immortals, hold the prestigious title of being the oldest standing army in recorded history. This elite force served as the personal bodyguards of the Achaemenid kings of Persia, playing a crucial role in shaping the ancient Persian Empire. Known for their unwavering loyalty, formidable skills, and distinctive military organization, the Immortals are shrouded in mystery and revered as one of the most formidable ancient military units. From their origins in the 6th century BCE to their remarkable exploits in battle, the Immortal Persian Immortals have left an indelible mark on the annals of military history. In this article, we delve into the awe-inspiring story of this legendary army, exploring their recruitment, training, and their extraordinary place in the chronicles of warfare.

Unveiling the Secrets of the Immortal Persian Immortals: The Oldest Army in History

The Persian Immortals, an ancient military force, hold a significant place in history as the oldest known army. Their remarkable skills, strategies, and unwavering loyalty to their rulers have made them legendary. This article aims to unveil the secrets of the Immortals, shedding light on their origins, training, and impact on the Persian Empire.

The Immortals were an elite force within the Persian army, serving as the personal bodyguards of the Achaemenid kings. They were handpicked from the most talented and physically fit soldiers across the empire. The exact number of Immortals is disputed, but it is believed to have been around 10,000 soldiers at any given time.

One of the most intriguing aspects of the Immortals was their distinctive appearance. They wore elaborate uniforms, consisting of brightly colored robes, golden breastplates, and intricately crafted helmets. Each soldier carried a spear, a bow, and a quiver of arrows, making them versatile in both close combat and ranged warfare.

The Immortals’ training was rigorous and demanding. From a young age, potential recruits were selected and subjected to intense physical conditioning. They underwent grueling exercises, including long-distance running, wrestling, and archery, to develop their strength, endurance, and agility. Discipline was instilled through strict adherence to military protocols and obedience to their commanders.

In battle, the Immortals were known for their exceptional discipline and fearlessness. They fought in tight formations, known as the “phalanx,” which allowed them to present an impenetrable wall of shields and spears to their enemies. This formation, combined with their unwavering loyalty, made the Immortals a formidable force on the battlefield.

The Immortals’ loyalty was a key factor in their success. They served as the personal guards of the Persian kings, and their primary duty was to protect the ruler at all costs. This unwavering loyalty was bolstered by a strong sense of camaraderie among the Immortals themselves, as they lived and trained together as a tightly knit unit.

The Immortals played a crucial role in the expansion and maintenance of the Persian Empire. Their presence symbolized the might and power of the empire, instilling fear in potential adversaries. They were involved in numerous military campaigns, including the famous battles of Marathon and Thermopylae.

Despite their formidable reputation, the Immortals eventually disappeared from history. It is believed that the rise of the Macedonian Empire under Alexander the Great led to their downfall. The Macedonian phalanx proved to be a formidable opponent, and the Immortals were eventually defeated in battle.

In conclusion, the Persian Immortals were an extraordinary military force, recognized as the oldest army in history. Their disciplined training, distinctive appearance, and unwavering loyalty to their rulers made them a formidable force on the battlefield. While the Immortals may have faded into history, their legacy as one of the most skilled and respected military units endures to this day.

The Immortal Persian Immortals: A Glimpse into the Ancient World’s Most Enduring Military Force

The Immortal Persian Immortals: A Glimpse into the Ancient World’s Most Enduring Military Force


The Persian Immortals, an elite military force, stand out as one of the most powerful and enduring units in the ancient world. Their name alone evokes a sense of awe and mystery. This article aims to shed light on the origins, training, and significance of the Immortals, providing readers with a glimpse into the ancient world’s most enduring military force.

Origins of the Immortals:

The Immortals trace their origins back to the Achaemenid Empire, established by Cyrus the Great in the 6th century BCE. Cyrus, known for his strategic acumen, recognized the need for a highly trained and loyal military force. Thus, he created the Immortals, an elite group of Persian warriors chosen from the noble classes.

Training and Discipline:

The Immortals underwent rigorous training, honing their skills in various aspects of warfare. They were adept horsemen, skilled archers, and formidable infantry soldiers. Their training emphasized discipline, teamwork, and unwavering loyalty to the Persian king.

One of the distinguishing features of the Immortals was their uniform. Clad in distinctive robes and adorned with gold and silver, their appearance struck fear into the hearts of their enemies. The Immortals’ uniform also served a functional purpose, as it allowed their commanders to easily identify and communicate with them on the battlefield.

Significance in Battle:

The Immortals played a crucial role in the Achaemenid Empire’s military campaigns, often serving as the vanguard in major battles. Their reputation for unwavering loyalty and fierce fighting skills made them a force to be reckoned with.

During the famous Battle of Thermopylae in 480 BCE, the Immortals clashed with the renowned Spartan warriors. Despite heavy losses on both sides, the Immortals’ relentless assault eventually broke through the Spartan lines, contributing to the Persian victory.

Notably, the Immortals’ reputation was not solely based on their combat prowess. They were also skilled in espionage and intelligence gathering, infiltrating enemy ranks and providing valuable information to their commanders. This intelligence gathering ability often gave the Persian forces a significant advantage in battle.

Endurance and Legacy:

The Immortals earned their name from their unique recruitment system. As one soldier fell in battle or died of natural causes, another would immediately replace them, ensuring the unit always maintained a strength of ten thousand soldiers. This system of constant replenishment granted the Immortals an enduring legacy, as it seemed they were immortal, never dwindling in numbers.


The Immortal Persian Immortals stand as a testament to the ancient world’s most enduring military force. Their origins, training, and significance in battle highlight their importance within the Achaemenid Empire. From their distinct appearance to their unwavering loyalty, the Immortals continue to captivate historians and enthusiasts alike. Their enduring legacy serves as a reminder of the power and influence of ancient civilizations and the remarkable individuals who shaped history.

Unbreakable Loyalty and Unmatched Skill: The Legend of the Immortal Persian Immortals

The Legend of the Immortal Persian Immortals

Throughout history, tales of warriors with unbreakable loyalty and unmatched skill have captured the imagination of people worldwide. These legends often depict heroes who fearlessly face insurmountable odds, displaying unwavering dedication to their cause and proving themselves as the epitome of bravery. One such legend that has stood the test of time is that of the Immortal Persian Immortals.

The Immortals, known as the “Anûšiya” in ancient Persian, were an elite force within the Persian army during the Achaemenid Empire, which spanned from 550 to 330 BCE. These warriors were renowned for their unparalleled discipline, unwavering loyalty, and exceptional combat prowess. The Immortals were comprised of 10,000 soldiers, chosen carefully from the best and brightest that Persia had to offer.

Their name, the Immortals, derived from the fact that their numbers were always maintained at precisely 10,000, ensuring that they were an ever-present force in battle. If any Immortal were to fall in combat or for any other reason, they would be immediately replaced, ensuring the unit’s constant strength and unyielding resolve.

The Persian Immortals were trained rigorously from a young age, honing their skills in various forms of combat, including archery, swordsmanship, and hand-to-hand combat. Their training emphasized both physical prowess and mental fortitude, as they were expected to withstand the harshest of conditions without faltering. Their resilience was legendary, as they endured grueling marches across vast territories, extreme climates, and the most arduous of battlefields.

What truly set the Immortals apart was their unwavering loyalty to their leader, the Great King of Persia. They were handpicked by the king himself, and their allegiance to him was absolute. Their devotion was so strong that they would willingly lay down their lives without hesitation if it meant protecting their leader or fulfilling their duty.

In battle, the Immortals were a formidable force. Clad in distinctive and awe-inspiring armor, they struck fear into the hearts of their enemies. Their uniform consisted of a golden tiara, a short-sleeved tunic, and trousers. They carried a rectangular wicker shield for protection and wielded a short spear as their primary weapon. Additionally, they were equipped with a fearsome double-edged sword known as a akinakes, which they wielded with unparalleled skill and precision.

The Immortals’ reputation reached far and wide, and their presence on the battlefield was often enough to demoralize their foes. Their disciplined formations, unwavering resolve, and exceptional skill made them an unstoppable force. They were instrumental in the Persian victories against the Greeks during the Greco-Persian Wars, leaving a lasting impact on the annals of history.

The legend of the Immortal Persian Immortals lives on to this day, symbolizing unbreakable loyalty and unmatched skill. Their story serves as a reminder of the extraordinary feats that can be achieved through unwavering dedication, discipline, and the indomitable human spirit. Their legacy continues to inspire warriors and enthusiasts alike, a testament to the enduring power of their legend.

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