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THE earliest history is but a record of wars. Peace had no events stirring enough to call for record. It was the conflict of heroes which inspired the oldest and still greatest of poems. As the more intelligent peoples were, as a rule, the victors, the march of civilization followed in the footsteps of war up to very recent times. The history of war has been carefully recorded for nearly twenty-five centuries, but the science of war, in a written form, dates back less than one hundred years.
The art of war owes its origin and growth to the deeds of a few great captains. Not to their brilliant victories; not to the noble courage evoked by their ambition; not to their distortion of mechanics and the sciences into new engines of slaughter; not to their far-reaching conquests; but to their intellectual conceptions. For war is as highly intellectual as astronomy. The main distinction between the one and the other lies in the fact that the intellectual conception of the general must at once be so put into play as to call for the exertion of the moral forces of his character, while the astronomer’s inspiration stops at a purely mental process. What has produced the great captains is the coexistence of extraordinary intellect and equal force of character, coupled with events worthy of and calling out these qualities in their highest expression.
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A COURSE OF SIX LECTURES
SHOWING THE INFLUENCE ON THE ART OF WAR OF THE CAMPAIGNS OF
ALEXANDER, HANNIBAL, CÆSAR, GUSTAVUS ADOLPHUS, FREDERICK, AND NAPOLEON
BY THEODORE AYRAULT DODGE
© 2023 Librorium Editions
ISBN : 9782385743796
T
he
following lectures were delivered in Boston, under the auspices of the Lowell Institute, in January, 1889. Their conciseness needs but the apology of scant time. Little can be said about Alexander or Napoleon within the limit of an hour. The sketches are of necessity meagre. They are a summary in part of a larger work, of which the author hopes soon to begin the publication, in which a volume will be devoted to each great captain, and mention made of other soldiers who have contributed to the growth of the art of war. The lectures aim to indicate briefly what we owe to the great captains, and to draw an intelligible outline of their careers, which may be filled in by reference to the extended narratives of others. Historical detail often assumes prominence in the mind to the exclusion of general form. It is the latter which it is attempted to portray.
It is generally admitted that Alexander, Hannibal, Cæsar, Frederick, and Napoleon belong in a class by themselves. Some may claim for Marlborough or Prince Eugene an equality with Gustavus Adolphus. But, mindful that Gustavus was the first to rescue methodical war from the oblivion of the Middle Ages, and that he originated the modern system,—the art appears to owe that to him which entitles him to greater rank, though, indeed, the achievements of others may have reached or even exceeded the height of his.
All sources of information have been utilized, from Arrian’s Anabasis of Alexander to Jomini’s Life of Napoleon. Among quite recent works, special thanks are due to the exhaustive History of War of Prince Galitzin, and the Studies of Count von Wartenburg.
LECTURE I.
Page
Alexander
1
LECTURE II.
Hannibal
38
LECTURE III.
Cæsar
73
LECTURE IV.
Gustavus Adolphus
107
LECTURE V.
Frederick
142
LECTURE VI.
Napoleon
178
Page
Parallel Order
3
The Battle of Thymbra, B.C. 545
4
Before the Battle of Marathon
6
The Greek Manœuvre at Marathon
7
The Battle of Leuctra, B.C. 371
9
Conquests of Alexander, B.C. 334 to 323
15
The Battle of the Hydaspes, B.C. 326
17
Hannibal’s Flank March, B.C. 217
43
The Battle of Cannæ, B.C. 216, I
47
The Battle of Cannæ, B.C. 216, II
53
Capua, B.C. 211
63
Gaul
75
The Civil War
89
The Campaign of Gustavus Adolphus in Germany, A.D. 1630–1–2
120
Map for the Seven-Years War
145
Leuthen, Dec. 5, 1757
155
1796
180
The Marengo Campaign
187
The Ulm-Austerlitz Campaign
189
The Jena Campaign
194
The Waterloo Campaign
209
ALEXANDER.
T
he
earliest history is but a record of wars. Peace had no events stirring enough to call for record. It was the conflict of heroes which inspired the oldest and still greatest of poems. As the more intelligent peoples were, as a rule, the victors, the march of civilization followed in the footsteps of war up to very recent times. The history of war has been carefully recorded for nearly twenty-five centuries, but the science of war, in a written form, dates back less than one hundred years.
The art of war owes its origin and growth to the deeds of a few great captains. Not to their brilliant victories; not to the noble courage evoked by their ambition; not to their distortion of mechanics and the sciences into new engines of slaughter; not to their far-reaching conquests; but to their intellectual conceptions. For war is as highly intellectual as astronomy. The main distinction between the one and the other lies in the fact that the intellectual conception of the general must at once be so put into play as to call for the exertion of the moral forces of his character, while the astronomer’s inspiration stops at a purely mental process. What has produced the great captains is the coexistence of extraordinary intellect and equal force of character, coupled with events worthy of and calling out these qualities in their highest expression.
My effort will be to suggest how, out of the campaigns and battles of the great captains, has arisen what to-day we call the art of war,—not so much out of the technical details, which are a subordinate matter, as the general scheme; and to show that, while war is governed by its rules as well as art, it is the equipment of the individual which makes an Alexander or a Michael Angelo. Six of these captains stand distinctly in a class by themselves, far above any others. They are, in ancient days, Alexander, Hannibal, Cæsar,—all within three hundred years of each other. Then follows a gap of seventeen centuries of unmethodical war, and we complete the list with Gustavus Adolphus, Frederick, and Napoleon,—all within two centuries. “The art of war is the most difficult of all arts, the military reputation in general the greatest of all reputations,” says Napoleon. The limited number of great captains proves this true.
The words campaign and battle cover the same ground as strategy and tactics. Let me make these plain to you, and I shall have done with definitions and technicalities. A campaign consists in the marching of an army about the country or into foreign territory to seek the enemy or inflict damage on him. Strategy is the complement of this term, and is the art of so moving an army over a country,—on the map, as it were,—that when you meet the enemy you shall have placed him in a disadvantageous position for battle or other manœuvres. One or more battles may occur in a campaign. Tactics (or grand tactics, to distinguish the art from the mere details of drill) relates only to and is coextensive with the evolutions of the battle-field. Strategy comprehends your manœuvres when not in the presence of the enemy; tactics, your manœuvres when in contact with him. Tactics has always existed as common military knowledge, often in much perfection. Strategy is of modern creation, as an art which one may study. But all great captains have been great strategists.
To say that strategy is war on the map is no figure of speech. Napoleon always planned and conducted his campaigns on maps of the country spread out for him by his staff, and into these maps he stuck colored pins to indicate where his divisions were to move. Having thus wrought out his plan, he issued orders accordingly. To the general, the map is a chessboard, and upon this he moves his troops as you or I move queen and knight.
Parallel Order
Previous to Cyrus, about 550 B.C., we have a record of nothing useful to the modern soldier. Nimrod, Semiramis, Sesostris were no doubt distinguished conquerors. But they have left nothing for us to profit by. War was a physical, not an intellectual art, for many centuries. Armies marched out to meet each other, and, if an ambush was not practicable, drew up in parallel order, and fought till one gave way. The greater force could form the longer line and overlap and turn the other’s flanks. And then, as to-day, a flank attack was fatal; for men cannot fight unless they face the foe; and a line miles in length needs time to change its front.
Battle of Thymbra B.C. 545
Cyrus is to the soldier the first historical verity. In the battle of Thymbra, according to Xenophon, where Crœsus outnumbered him more than two to one and overlapped his flanks, he disposed his troops in so deep a tactical order of five lines, and so well protected his flanks, that when Crœsus’ wings wheeled in to encompass him, his reserves in the fifth line could fall on the flanks of these very wheeling wings. And as the wheel was extensive and difficult of execution, it produced a gap between wing and centre,—as Cyrus had expected,—and into this he poured with a chosen body, took Crœsus’ centre in reverse, and utterly overthrew him and his kingdom. Cyrus overran in his conquests almost as great a territory as Alexander.
It is of advantage to see what had been done before Alexander’s time,—to understand how much Alexander knew of war from others. For Alexander found war in a crude state and conducted it with the very highest art. That his successors did not do so is due to the fact that they did not understand, or were not capable of imitating him.
Cyrus’ successor, Darius I. (B.C. 513), undertook a campaign against the Scythians north of the Danube, with, it is said, seven hundred thousand men. The Greek Mandrocles bridged for this army both the Bosphorus and the Danube, no mean engineering feat to-day.
Shortly after came the Persian invasion of Greece and the battle of Marathon (490 B.C.). Here occurred one of the early tactical variations from the parallel order. Miltiades had but eleven thousand men; the Persians had ten times as many. They lay on the sea-shore in front of their fleet. To reach and lean his flanks on two brooks running to the sea, Miltiades made his centre thin, his wings strong, and advanced sharply on the enemy. As was inevitable, the deep Persian line easily broke through his centre. But Miltiades had either anticipated and prepared his army for this, or else seized the occasion by a very stroke of genius. There was no symptom of demoralization. The Persian troops followed hard after the defeated centre. Miltiades caused each wing to wheel inwards, and fell upon both flanks of the Persian advance, absolutely overwhelming it, and throwing it back upon the main line in such confusion as to lead to complete victory.
Before Battle of Marathon
You must note that demoralization always plays an immense part in battle. The Old Dessauer capped all battle-tactics with his: “Wenn Du gehst nicht zurück, so geht der Feind zurück!” (If you don’t fall back, why, the enemy will fall back.) Whenever a tactical manœuvre unnerves the enemy, it at once transforms his army into a mob. The reason why Pickett’s charge did not succeed was that there was no element of demoralization in the Union ranks. Had there been, Gettysburg might have become a rebel victory.
The Peloponnesian War shows instances of far-seeing strategy, such as the seizure of Pylos (B.C. 425), whence the threat of incursions on Sparta’s rear obliged her to relax her hold on the throat of Athens. Brasidas was the general who, at this time, came nearest to showing the moral and intellectual combination of the great soldier. His marches through Thessaly and Illyria and his defeat of Cleon at Amphipolis were admirable. He it was who first marched in a hollow square, with baggage in the centre.
Greek Manœuvre at Marathon
The soldier of greatest use to us preceding Alexander was unquestionably Xenophon. After participating in the defeat of Cyrus the Younger by Artaxerxes, at Cunaxa (B.C. 401), in which battle the Greek phalanx had held its own against twenty times its force, Xenophon was chosen to command the rear-guard of the phalanx in the Retreat of the Ten Thousand to the Sea; and it is he who has shown the world what should be the tactics of retreat,—how to command a rear-guard. No chieftain ever possessed a grander moral ascendant ever his men. More tactical originality has come from the Anabasis than from any dozen other books. For instance, Xenophon describes accurately a charge over bad ground in which, so to speak, he broke forward by the right of companies,—one of the most useful minor manœuvres. He built a bridge on goat-skins stuffed with hay, and sewed up so as to be water-tight. He established a reserve in rear of the phalanx from which to feed weak parts of the line,—a superb first conception. He systematically devastated the country traversed to arrest pursuit. After the lapse of twenty-three centuries there is no better military textbook than the Anabasis.
Alexander had a predecessor in the invasion of Asia. Agesilaus, King of Sparta, went (B.C. 399) to the assistance of the Greek cities of Asia Minor, unjustly oppressed by Tissaphernes. He set sail with eight thousand men and landed at Ephesus; adjusted the difficulties of these cities, and, having conducted two successful campaigns in Phrygia and Caria, returned to Lacedemon overland.
Battle of Leuctra B.C. 371
Associated with one of the most notable tactical manœuvers—the oblique order of battle—is the immortal name of Epaminondas. This great soldier originated what all skilful generals have used frequently and to effect, and what Frederick the Great showed in its highest perfection at Leuthen. As already observed, armies up to that time had with rare exceptions attacked in parallel order and fought until one or other gave way. At Leuctra (B.C. 371), Epaminondas had six thousand men, against eleven thousand of the invincible Spartans. The Thebans were dispirited by many failures, the Lacedemonians in good heart. The Spartan king was on the right of his army. Epaminondas tried a daring innovation. He saw that if he could break the Spartan right, he would probably drive the enemy from the field. He therefore quadrupled the depth of his own left, making it a heavy column, led it sharply forward, and ordered his centre and right to advance more slowly, so as not seriously to engage. The effect was never doubtful. While the Spartan centre and left was held in place by the threatening attack of the Theban centre and right, as well as the combat of the cavalry between the lines, their right was overpowered and crushed; having defeated which, Epaminondas wheeled around on the flank of the Spartan centre and left, and swept them from the field. The genius of a great tactician had prevailed over numbers, prestige, and confidence. At Mantinæ, nine years later, Epaminondas practised the same manœuvre with equal success, but himself fell in the hour of victory. (B.C. 362.)
The Greek phalanx was the acme of shock tactics. It was a compact body, sixteen men deep, whose long spears bristled to the front in an array which for defence or attack on level ground made it irresistible. No body of troops could withstand its impact. Only on broken ground was it weak. Iphicrates, of Athens, had developed the capacity of light troops by a well-planned skirmish-drill and discipline, and numbers of these accompanied each phalanx, to protect its flanks and curtain its advance.
Such, then, had been the progress in military art when Alexander the Great was born. Like Hannibal and Frederick, Alexander owed his military training and his army to his father. Philip had been a hostage in Thebes in his youth, had studied the tactics of Epaminondas, and profited by his lessons. When he ascended the throne of Macedon, the army was but a rabble. He made and left it the most perfect machine of ancient days. He armed his phalanx with the sarissa, a pike twenty-one feet long, and held six feet from the loaded butt. The sarissas of the five front ranks protruded from three to fifteen feet beyond the line; and all were interlocked. This formed a wall of spears which nothing could penetrate. The Macedonian phalanx was perfectly drilled in a fashion much like our evolutions in column, and was distinctly the best in Greece. It was unconquered till later opposed by the greater mobility of the Roman legion. The cavalry was equally well drilled. Before Philip’s death, in all departments, from the ministry of war down, the army of Macedon was as perfect in all its details as the army of Prussia is to-day.
Philip also made, and Alexander greatly improved, what was the equivalent of modern artillery. The catapult was a species of huge bow, capable of throwing pikes weighing from ten to three hundred pounds over half a mile. It could also hurl a large number of leaden bullets at each fire. It was the cannon of the ancients. The ballista was their mortar, and threw heavy stones with accurate aim to a considerable distance. It could cast flights of arrows. Alexander constructed and was always accompanied by batteries of ballistas and catapults, the essential parts of which were even more readily transported than our mountain batteries. These were not, however, commonly used in battle, but rather in the attack and defence of defiles, positions, and towns.
Alexander’s first experience in a pitched battle was at Chæronea (B.C. 338), on which field Philip won his election as Autocrator, or general-in-chief, of the armies of Greece. Here, a lad of eighteen, Alexander commanded the Macedonian left wing, and defeated the hitherto invincible Theban Sacred Band by his repeated and obstinate charges at the head of the Thessalian horse. Philip had for years harbored designs of an expedition against the Persian monarchy, but did not live to carry them out. Alexander succeeded him at the age of twenty (B.C. 336). He had been educated under Aristotle. No monarch of his years was ever so well equipped as he in head and heart. Like Frederick, he was master from the start. “Though the name has changed, the king remains,” quoth he. His arms he found ready to hand, tempered in his father’s forge. But it was his own strength and skill which wielded them.
The Greeks considered themselves absolved from Macedonian jurisdiction by the death of Philip. Not so thought Alexander. He marched against them, turning the passes of Tempe and Kallipeuke by hewing a path along the slopes of Mount Ossa, and made himself master of Thessaly. The Amphictyonic Council deemed it wise to submit, and elected him Autocrator in place of his father.
Alexander’s one ambition had always been to head the Greeks in punishing the hereditary enemy of Hellas, the Persian king. He had imbibed the idea of his Asiatic conquests in his early youth, and had once, as a lad, astonished the Persian envoys to the Court of Pella by his searching and intelligent questions concerning the peoples and resources of the East.