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18 May in military history: Poles take Monte Cassino, 1944

Military history · 18 May · World War II, Italy; American Civil WarFull calendar

Tinted lithograph of the siege lines at Vicksburg: Union tents and earthworks in a valley below bare, scarred hills, with officers watching from the foreground and shell bursts in the sky above the Confederate positions on the ridge.
The siege of Vicksburg: the position of the Seventh Division of McPherson's corps, sketched by A. E. Mathews of the 31st Ohio and printed in 1863. Public domain. Lithograph by Middleton, Strobridge & Co. after A. E. Mathews, Library of Congress.
Quick answer

On 18 May 1944 a patrol of the Polish 2nd Corps under General Władysław Anders raised its flag over the ruined abbey of Monte Cassino in Italy, ending the fourth battle for the heights and opening the road to Rome. On the same day in 1863 Ulysses S. Grant's Union army reached the defenses of Vicksburg, Mississippi.

Monte Cassino, 1944

The fourth battle of Monte Cassino began on the night of 11 May 1944, when the Allied armies in Italy opened Operation Diadem to break the German defenses that barred the road to Rome. The Polish 2nd Corps of Lieutenant General Władysław Anders, serving with the British Eighth Army, was given the mountain and the ruined Benedictine abbey on its summit. Three earlier battles for the heights had failed since January.1

The first Polish assault, on 11 and 12 May, ran into well-entrenched German defenders and was called off after heavy losses. The Poles attacked again, and on 17 May the German command ordered its troops to withdraw from Monte Cassino.2

On the morning of 18 May a patrol of the 12th Podolian Lancers entered the ruins of the abbey. At 10:20 the lancers raised their regimental pennant over the ruins, and the white and red Polish flag soon followed. Later that day Emil Czech, a soldier of the corps, played the Hejnał Mariacki, St Mary's trumpet call, from the rubble.3

The fall of Monte Cassino opened the road to Rome. The Polish 2nd Corps lost 923 men killed, 2,931 wounded and 345 missing in the battle. The dead lie in the Polish war cemetery on the slope below the abbey, where General Anders was later buried as well. More in our article on the Battle of Monte Cassino.4

Battle of Tourcoing, 1794: how the annihilation plan fell apart

18 May 1794 · 232 years ago

Near Tourcoing, north of Lille, a French Republican army under Souham and Moreau faced encirclement by a coalition army under Prince Josias of Coburg. The French struck the scattered, poorly coordinated coalition columns and defeated them.

Read the full story of Battle of Tourcoing, 1794: how the annihilation plan fell apart ›

The Siege of Vicksburg, 1863: the Confederacy split in two

18 May to 4 July 1863 · 163 years ago

Ulysses S. Grant's Union army captured Vicksburg, Mississippi, on 4 July 1863 after a six-week siege. The surrender gave the Union control of the entire Mississippi River and split the Confederacy in two.

Read the full story of The Siege of Vicksburg, 1863: the Confederacy split in two ›

Also on this day

1565: The Ottoman fleet appeared off Malta, the island of the Knights of St John, on 18 May. The Abbé de Vertot counts 159 oared galleys and galliots carrying 30,000 soldiers, while Prescott, citing Francisco Balbi's account, gives 130 royal galleys and fifty smaller vessels. Royal Museums Greenwich dates the siege from 18 May to 11 September 1565 and writes that the Turks eventually retreated after thousands of their troops had been killed.5

Frequently asked questions

What happened at Monte Cassino on 18 May 1944?

A patrol of the 12th Podolian Lancers of the Polish 2nd Corps entered the ruins of the abbey and at 10:20 raised its regimental pennant, followed by the Polish flag. It ended the fourth battle of Monte Cassino.

How many Polish soldiers fell at Monte Cassino?

The Polish 2nd Corps lost 923 killed, 2,931 wounded and 345 missing in the battle. The dead are buried in the Polish war cemetery below the abbey, with General Anders.

When did the siege of Vicksburg begin?

Grant's army reached the city's defenses on 18 May 1863 and attacked on 19 and 22 May. The American Battlefield Trust dates the battle from 18 May to 4 July 1863 and speaks of a 47-day siege; the National Park Service lists the siege itself as 23 May to 4 July.

Why did Pemberton stay in Vicksburg?

On 18 May Johnston ordered him to evacuate the city if it was not too late. Pemberton's generals judged that the army could not be withdrawn fit for further service, and Pemberton decided to hold Vicksburg, which he called the most important point in the Confederacy.

How did civilians survive the siege of Vicksburg?

Many dug caves into the hillsides to shelter from the shelling including the fire of Porter's mortar boats on the river. Food and clean water ran short for soldiers and civilians alike.

How many Confederates surrendered at Vicksburg?

The American Battlefield Trust says some 29,000 Confederates marched out on 4 July 1863; Grant's memoirs count 31,600 prisoners. Under Grant's terms they were paroled.

What else happened on 18 May?

In 1565 the Ottoman fleet appeared off Malta at the start of its great siege, and in 1794 the French beat the Allies at Tourcoing.

Notes

A number in the text points to a note; each note names the works that paragraph draws on, listed in full under Sources.

  1. Ernest F. Fisher Jr., “Cassino to the Alps”; Institute of National Remembrance, “Celebrations of the 81st anniversary of the Battle of Monte Cassino in Italy”; dzieje.pl, “67. rocznica zdobycia Monte Cassino”. ↩
  2. Ernest F. Fisher Jr., “Cassino to the Alps”; Institute of National Remembrance, “Celebrations of the 81st anniversary of the Battle of Monte Cassino in Italy”; dzieje.pl, “67. rocznica zdobycia Monte Cassino”. ↩
  3. Ernest F. Fisher Jr., “Cassino to the Alps”; Institute of National Remembrance, “Celebrations of the 81st anniversary of the Battle of Monte Cassino in Italy”; dzieje.pl, “67. rocznica zdobycia Monte Cassino”; Ministry of Culture and National Heritage, “80. rocznica zwycięskiej bitwy o Monte Cassino”; Field-Marshal Viscount Alexander, “The Allied Armies in Italy from 3rd September, 1943, to 12th December, 1944”; Sybir Memorial Museum, “The Polish flag on Monte Cassino”. ↩
  4. Ernest F. Fisher Jr., “Cassino to the Alps”; Institute of National Remembrance, “Celebrations of the 81st anniversary of the Battle of Monte Cassino in Italy”; dzieje.pl, “67. rocznica zdobycia Monte Cassino”; Ministry of Culture and National Heritage, “80. rocznica zwycięskiej bitwy o Monte Cassino”. ↩
  5. Abbé de Vertot, “The History of the Knights of Malta”; William H. Prescott, “History of the Reign of Philip the Second, King of Spain”; Royal Museums Greenwich, “The Siege of Malta”. ↩

Sources

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