In 1975 the new headquarters of Met Éireann, the Irish Meteorological Office, opened just off Glasnevin Hill, on the former site of Marlborough House.

Although Queen Alexandra never treated her sister badly and they spent time together at Marlborough House in London and at Sandringham House in Norfolk in Great Britain, Maria felt that she was now " number two ".

The home at Woodford was broken up, as being unnecessarily large, and in 1848 the family relocated to Water House and William Morris entered Marlborough College.

Lady Marlborough was subsequently removed from the royal household by the Lord Chamberlain, and Anne angrily left her royal lodgings and took up residence at Syon House, the home of the Duke of Somerset.

It was headed by Lord Godolphin and Anne's favourite the Duke of Marlborough, who were considered moderate Tories, along with the Speaker of the House of Commons, Robert Harley.

Edward and his wife established Marlborough House as their London residence and Sandringham House in Norfolk as their country retreat.

George was born on 3 June 1865, in Marlborough House, London, as the second son of the Prince of Wales and Princess of Wales, Albert Edward and Alexandra.

The family moved their London residence from St James's Palace to Marlborough House.

Mary finally returned to Marlborough House in June 1945, after the war in Europe had resulted in the defeat of Nazi Germany.

The Waleses made Sandringham House their preferred residence, with Marlborough House their London base.

" Later that year, she moved out of Buckingham Palace to Marlborough House, but she retained possession of Sandringham.

File: Marlboroughvitbrit edited. jpg | Marlborough House, Westminster as designed by Wren

File: Marlborough House. jpg | Marlborough House, Westminster as altered

Urged by Paul Count Wolff Metternich zur Gracht, the senior diplomat serving in his entourage, the Kaiser neglected to see Chamberlain during his fortnight in England, but did speak about the prospect of a future Anglo-German alliance at Marlborough House on the eve of his departure.

In February 1902, at a banquet at Marlborough House held by King Edward VII, Chamberlain and Cambon resumed their negotiations, with Eckardstein reputedly listening to their conversation and only successfully managing to comprehend the words " Morocco " and " Egypt ".

Ryder received most of his lessons at his home, Marlborough House, and he was relentless.

Michael Searles, architect and developer, built semi-detached houses along Kennington Park Road in the 1790s, and is credited with Marlborough House on Kennington Road.

The V & A has its origins in the Great Exhibition of 1851, with which Henry Cole, the museum's first director, was involved in planning ; initially it was known as the Museum of Manufactures, first opening in May 1852 at Marlborough House, but by September had been transferred to Somerset House.

Marlborough, realising the only way to ignore Dutch wishes was by the use of secrecy and guile, set out to deceive his Dutch allies by pretending to simply move his troops to the Moselle – a plan approved of by The Hague – but once there, he would slip the Dutch leash and link up with Austrian forces in southern Germany.

This force was to be augmented en route such that by the time Marlborough reached the Danube, it would number 40, 000 ( 47 battalions, 88 squadrons ).

However, Marlborough was convinced of the urgency – " I am very sensible that I take a great deal upon me ", he had earlier written to Godolphin, " but should I act otherwise, the Empire would be undone ..."

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.

Marlborough knew it was necessary that another crossing point over the Danube would be required in case Donauwörth fell to the enemy.

" By a series of brilliant marches Marlborough concentrated his forces on Donauwörth and, by noon 11 August, the link-up was complete.

Some Allied officers who were acquainted with the superior numbers of the enemy, and aware of their strong defensive position, ventured to remonstrate with Marlborough about the hazards of attacking ; but the Duke was resolute – " I know the danger, yet a battle is absolutely necessary, and I rely on the bravery and discipline of the troops, which will make amends for our disadvantages ".

The Allied commanders agreed that Marlborough would command 36, 000 troops and attack Tallard's force of 33, 000 on the left ( including capturing the village of Blenheim ), whilst Eugene, commanding 16, 000 men would attack the Elector and Marsin's combined forces of 23, 000 troops on the right wing ; if this attack was pressed hard the Elector and Marsin would have no troops to send to aid Tallard on their right.

However, Marlborough would have to wait until Eugene was in position before the general engagement could begin.

The last thing Tallard expected that morning was to be attacked by the Allies – deceived by intelligence gathered from prisoners taken by de Silly the previous day, and assured in their strong natural position, Tallard and his colleagues were convinced that Marlborough and Eugene were about to retreat north-eastwards towards Nördlingen.

The plan was sound if all its parts were implemented, but it allowed Marlborough to cross the Nebel without serious interference and fight the battle he had in mind.

Whilst these events around Blenheim and Lutzingen were taking place, Marlborough was preparing to cross the Nebel.

Count Horn's Dutch infantry managed to push the French back from the water's edge, but it was apparent that before Marlborough could launch his main effort against Tallard, Oberglauheim would have to be secured.

There was now a pause in the battle: Marlborough wanted to concert the attack upon the whole front, and Eugene, after his second repulse, needed time to reorganize.

With the battle still not won, Marlborough had to rebuke one of his cavalry officers who was attempting to leave the field – " Sir, you are under a mistake, the enemy lies that way ..." Now, at the Duke's command, the second Allied line under von Bulow and the Count of Ost-Friese was ordered forward, and, driving through the centre, the Allies finally put Tallard's tired horse to rout, not without cost.

Surrounded by a squadron of Hessian troops, Tallard surrendered to Lieutenant-Colonel de Boinenburg, the Prince of Hesse-Kassel's aide-de-camp, and was sent under escort to Marlborough.

During these events Marlborough was still in the saddle conducting the pursuit of the broken enemy.

" Nevertheless, although the war dragged on for years, the Battle of Blenheim was probably its most decisive victory ; Marlborough and Eugene, working indivisibly together, had saved the Habsburg Empire and thereby preserved the Grand Alliance from collapse.

Realising that France was too powerful to be forced to make peace by a single victory, however, Eugene, Marlborough and Baden met to plan their next moves.

The reluctance of his Dutch allies to see their frontiers denuded of troops for another gamble in Germany had denied Marlborough the initiative, but of far greater importance was the Margrave of Baden ’ s pronouncement that he could not join the Duke in strength for the coming offensive.

The Anglo-Dutch forces gained minor compensation for the failed Moselle campaign with the success at Elixheim and the crossing of the Lines of Brabant in the Spanish Netherlands ( Huy was also retaken on 11 July ), but a chance to bring the French to a decisive engagement had eluded Marlborough.

Far from standing on the defensive therefore – and unbeknown to Marlborough – Louis XIV was persistently goading his marshal into action.

Villeroi still believed ( on 22 May ) the Allies were a full day ’ s march away when in fact they had camped near Corswaren waiting for the Danish squadrons to catch up ; for his part, Marlborough deemed Villeroi still at Jodoigne when in reality he was now approaching the plateau of Mont St. André with the intention of pitching camp near Ramillies ( see map at right ).

The following day, at 01: 00, Marlborough dispatched Cadogan, his Quartermaster-General, with an advanced guard to reconnoitre the same dry ground that Villeroi ’ s army was now heading, country that was well known to the Duke from previous campaigns.