As all attempts to conduct a satisfactory negotiation with this emperor failed, Alaric, after instituting a second siege and blockade of Rome in 409, came to terms with the Senate.

The crusaders believed their oaths were made invalid when the Byzantine contingent under Tatikios failed to help them during the siege of Antioch ; Bohemund, who had set himself up as Prince of Antioch, briefly went to war with Alexios in the Balkans, but was blockaded by the Byzantine forces and agreed to become Alexios ' vassal by the Treaty of Devol in 1108.

Marlborough could not attack Dillingen because of a lack of siege guns – he was unable to bring any from the Low Countries, and Baden had failed to supply any despite assurances to the contrary.

A December 1093 attempt to break the siege failed.

It succeeded in retaking Orléans, but failed to break the siege.

The Reds ' major attempts to break the siege of Tampere from outside, along the Helsinki-Tampere railway, failed.

* 1704 1 August ( NS ): ( 21 July ( OS )) – During the War of the Spanish Succession, and when returning from a failed expedition to Barcelona, an Anglo-Dutch fleet, under the command of Sir George Rooke, chief commander of the Alliance Navy, began a new siege ( the eleventh siege of the town ).

Conrad II's army arrived to Lusatia in the autumn of 1029 and began the siege of Bautzen ; but the German troops did not receive the promised support of the Lutici tribe and the expedition failed.

He then laid siege to Vienna in 1529, but failed to take the city after the onset of winter forced his retreat.

The unsuccessful siege ( the Turks managed to capture the Isle of Gozo together with Fort Saint Elmo on the main island of Malta, but failed elsewhere and retreated ) was the second and last defeat experienced by Suleiman the Magnificent ( who died a year later, in 1566 ) after the likewise inconclusive first Ottoman siege of Vienna in 1529.

After a failed attempt to move on Baghdad, stopped by the Ottomans at the bloody Battle of Ctesiphon, the British and their large contingent of Indian sepoy soldiers were forced to retreat to Kut, where the Ottomans under German General Baron Colmar von der Goltz laid siege.

After the failed assault, Grant decided to settle for a siege lasting seven weeks.

* November 17 – American Civil War – The Siege of Knoxville begins: Confederate forces led by General James Longstreet place Knoxville, Tennessee under siege ( the 2-week-long siege and 1 failed attack are unsuccessful ).

* Siege of Perusia: After a last attempt to break the siege, which failed ; Lucius Antonius surrenders to Octavian.

Dresden suffered heavy destruction in the Seven Years ' War ( 1756 – 1763 ), following its capture by Prussian forces, its subsequent re-capture, and a failed Prussian siege in 1760.

The siege of Byzantium failed, but Athens realized the grave danger the rise of Macedon presented and under Demosthenes built a coalition of many of the major states to oppose the Macedonians.

In 911 Rollo's forces launched a failed attack on Paris before laying siege to Chartres.

Hims was not seriously threatened, but a month-long siege of Tripoli in December failed.

The army attempting to relieve Narbonne met him in open battle at the Battle of the River Berre and was destroyed, but Charles failed in his attempt to take Narbonne by siege in 737, when the city was jointly defended by its Muslim Arab and Berber, and its Christian Visigothic citizens.

Austrian and Russian attempts to break the siege failed, but spread the French thin enough that the siege could be abandoned on 31 July so other battles could be fought.

In August 1436, James failed humiliatingly in his siege of Roxburgh Castle and then faced an ineffective attempt by Sir Robert Graham to arrest him at a general council.

Bypassing the Parliamentarian stronghold of Manchester, Prince Rupert approached Liverpool on 6 June and wrested control of the city from Parliament after a five-day siege.

The town was captured after a short siege by Parliamentarian forces in 1643.

The outer defences fell in March ; a siege of the castle lasted just two days as Parliamentarian reinforcements were heading to Lancaster from Preston.

During the English Civil War, the city of York was under siege from Scottish and Parliamentarian Armies.

After the Battle of Winceby in 1643, Parliamentarian forces attacked and seized the garrison on their way to help relieve the siege of Hull.

Robert Greville, 2nd Baron Brooke, was a Parliamentarian, and Royalist forces laid siege to the castle.

Robert Greville was a Parliamentarian, and on 7 August 1642 a Royalist force laid siege to the castle.

At the same time, Galway was under siege by Parliamentarian forces, and Ireton personally rode to inspect the command of Charles Coote, who was blockading that city.

As Sir Thomas's cavalry were of little use in a siege, they were ferried across the Humber to reinforce Parliamentarian cavalry from the Eastern Association of counties, commanded by Oliver Cromwell.

Finally, in late June, the Royalist fled, having observed a Parliamentarian army, including a Roaring Meg siege cannon approaching the town.

During the English Civil War, the castle still held sufficient significance for it to be captured in 1645 by Colonel Thomas Rainsborough, for the Parliamentarian side and after a siege which saw cannon being fired at point blank range from the adjacent church roof of Saint Mary the Virgin, the Royal garrison surrendered.

During the English Civil War in 1645 Tiverton Castle, held by the Royalists, was the scene of a relatively brief siege by Thomas Fairfax's Parliamentarian forces.

Its owner at the time, Sir Robert Pye, who was a Royalist, was put under siege by his own son Robert who was a Parliamentarian colonel.

Their major success of this period was Thomas Preston ’ s siege of Duncannon in January 1645, which took the town ( on Ireland's southern coast ) from its Parliamentarian garrison.

Youghal was held by a much stronger Parliamentarian force than Duncannon and problems of supply and money meant that the Confederates ' siege broke up in March 1645.

With Essex and Waller in pursuit, he was still in danger, but on 7 June, the two Parliamentarian generals ( who disliked each other ) conferred at Stow on the Wold, and agreed that Essex would march westward to relieve the siege of Lyme Regis, while Waller shadowed the King.

On 5 September, with heavy rain falling, the Parliamentarian army reached the town and camped on Prestbury Hill, immediately outside it ; their presence forced the Royalists to abandon the siege given that neither army, wet and exhausted, was in a state to seek battle.

Between 1644 and 1646 the house withstood repeated attacks by local Parliamentarian forces, culminating in a prolonged siege, using artillery, from July 1645.

It was the last Royalist position in the West of England, and a Royalist garrison withstood a five-month siege ( March 1646 to 17 August 1646 ) from Parliamentarian forces before surrendering.

In 1644, the Scottish troops, who were part of the Parliamentarian Army, were encamped here during the siege of York.