In 1271 the capital hillfort of Tērvete was conquered, but Semigallians under the Duke Nameisis rebelled in 1279, and the Lithuanians under Traidenis defeated Livonian Order forces in the Battle of Aizkraukle.

In 1279, after the Battle of Aizkraukle, Grand Duke Traidenis of Lithuania supported a Semigallian revolt against the Livonian Order led by duke Nameisis.

After this battle Duke Nameisis of the Semigallians recognized Traidenis as his suzerain.

Grand Duke Mindaugas was Christianized with his family and warriors in 1251 so that the Crusades may be ended by the Church.

The Duke also wishes to develop an alliance with the Fremen, the native warriors of Dune.

Konrad I, the Polish Duke of Masovia, unsuccessfully attempted to conquer pagan Prussia in crusades in 1219 and 1222.

Dudley's youth was overshadowed by the downfall of his family in 1553 after his father, the Duke of Northumberland, had unsuccessfully tried to establish Lady Jane Grey on the English throne.

The Duke of Schomberg's son, Meinhardt, led this crossing, which Irish dragoons in picquet under Neil O ' Neill unsuccessfully opposed.

John Dudley, 1st Duke of Northumberland, KG ( 1504 – 22 August 1553 ) was an English general, admiral, and politician, who led the government of the young King Edward VI from 1550 until 1553, and unsuccessfully tried to install Lady Jane Grey on the English throne after the King's death.

" Later in the same year, she unsuccessfully interceded with James II for the life of James Scott, 1st Duke of Monmouth, Charles's illegitimate son and leader of the Monmouth Rebellion – even though Monmouth in rebellion had called upon the support represented by the staunch Protestants opposed to the Catholic Church.

He also ran unsuccessfully in the special election to fill the opening created by the resignation of disgraced Congressman Duke Cunningham in California's 50th Congressional District.

He prevented the Roman Catholic Duke Henry V of Brunswick-Lüneburg from taking forcible possession of his dominions and unsuccessfully planned a new alliance with German princes against Austria, pledging its members to prevent the acceptance of the decrees of the projected Council of Trent.

Duke has unsuccessfully run for the Louisiana State Senate, U. S. Senate, U. S. House of Representatives, and Governor of Louisiana.

In the case of Bremen, 12, 000 imperial soldiers under the command of Duke Eric II of Brunswick-Calenberg unsuccessfully laid siege from January until May.

Their father was John Dudley, Duke of Northumberland, who led the English government from 1550 – 1553 under Edward VI and unsuccessfully tried to establish Lady Jane Grey on the English throne after the King's death in July 1553.

In 1792, Thionville was besieged by the Duke of Brunswick, who unsuccessfully sought to defeat the French Revolution and restore Louis XVI to the royal throne.

In 1526 as a member of the Lithuanian Council of Lords he unsuccessfully petitioned the Grand Duke of Lithuania Sigismund I the Old for the renewal of a Kingdom of Lithuania under the rule of Zygmunt's I son, Sigismund II August.

In 1370 Dmitri Donskoi, Grand Duke of Moscow, unsuccessfully attempted to conquer the territory.

After his father's assassination in 1440, Michael unsuccessfully fought against Casimir IV Jagiellon for the title of the Grand Duke of Lithuania.

On 1 March 1562, however, in an incident known as the Massacre of Vassy, the Duke of Guise and his men attacked worshipping Huguenots in a barn at Vassy ( Wassy ), killing 74 and wounding 104.

At Nottingham, rioters set fire to Nottingham Castle ( the home of the Duke of Newcastle ) and attacked Wollaton Hall ( the estate of Lord Middleton ).

The town was attacked on several occasions by Henry IV, but it resisted, notably during the siege of December 1591 to May 1592, with the help of a Spanish army led by the Duke of Parma.

In 1627, an English invasion force under the command of George Villiers, Duke of Buckingham attacked the island in order to relieve the Siege of La Rochelle.

The north-eastern sortie through St. Martin's Gate was commanded by the Duke of Hamilton and attacked the Parliamentary lines at Perry Wood.

On hearing his opponents retreat, Charles made an alliance with Duke Rudolph I of Austria and they attacked Bohemia but they could not occupy Kutná Hora and Charles had to retreat to Hungary.

He left Navarre and met John V, Duke of Brittany in Nantes, where they agreed to come to each other's aid if either was attacked by France.

Many Liberal politicians attacked the peers, including Lloyd George in his Limehouse speech, in which he said “ a equipped Duke costs as much to keep up as two dreadnoughts ( battleships )” and was " less easy to scrap ".

However, the same night a crowd gathered and attacked the Roman Catholic Sardinian Embassy Chapel in Duke Street.

In 939 king Louis attacked Hugh the Great and William I, Duke of Normandy, after which a truce was concluded lasting until June.

Four days after the Battle of Roliça, the army of Wellesley ( later known as the Duke of Wellington ) was attacked by a French army under General Junot near the village of Vimeiro.

Probably as a result of this event, combined with Luther's Letter to the Princes of early July 1524, which attacked Müntzer and Andreas Karlstadt, Müntzer and others from Allstedt were called to a hearing at Weimar before Duke John of Saxony on 31 July or 1 August.

In 1436 Philip, Duke of Burgundy, attacked Calais.

In 1376 the Navarrese Company Louis of Évreux, Duke of Durazzo who had gained the rights on the Kingdom of Albania from his second wife, attacked and conquered the city, but in 1383, Karl Topia took once again control of the city.

During the course of this debate, Ashley attacked Charles ' Lord Lieutenant of Ireland, James Butler, 1st Duke of Ormonde.

On 23 December 1680, Shaftesbury gave another fiery pro-Exclusion speech in the Lords, in the course of which he attacked the Duke of York, expressed mistrust of Charles II, and urged the parliament to not approve any taxes until " the King shall satisfie the People, that what we give is not to make us Slaves and Papists.

The first known historic record comes from 1010, in Thietmar of Merseburg's chronicles, after the troops of King Henry II of Germany in the conflict over the March of Lusatia and the Milceni lands had attacked the forces of the Polish Duke Bolesław I Chrobry and again besieged Glogua on August 9, 1017 without result.

Coloman sought the assistance of Duke Bolesław III of Poland, who attacked Bohemia.

Between 413 and 409 BC during the reign of Duke Jian of Qin, the Wei army led by Wu Qi, with support from Zhao and Han, attacked Qin and conquered Qin territories west of the Yellow River.

King Yi of Zhou ( r. 865 – 858 ) attacked Qi and boiled Duke Ai of Qi to death.

Henry II did not extradite Géza to Hungary ; therefore Béla made an alliance with Duke Sobeslav II of Bohemia and they attacked Austria.

Though, in 925, Henry attacked the waffling Gilbert, Duke of Burgundy, constantly changing sides, and wrested control of Lorraine from France permanently, Rudolph then being in no position to resist.

Duke Robert first attacked Ballon and after losses on both sides, the castle surrendered.

This opinion is also held by the authors of the General History of Languedoc who claim that Duke Lop was the leader of the Gascons that attacked Charlemagne.