At Vienna in 1883 he obtained his Ph. D. with the work Beiträge zur Variationsrechnung (" Contributions to the Calculus of Variations ").

At the outbreak of World War I, Lang returned to Vienna and volunteered for military service in the Austrian army and fought in Russia and Romania, where he was wounded three times.

At the University of Vienna, he earned doctorates in law and political science in 1921 and 1923 respectively, and he also studied philosophy, psychology, and economics.

At the Battle of Vienna ( 1683 ), the Army of the Holy Roman Empire, led by the Polish King John III Sobieski, decisively defeated a large Turkish army, ending the western colonial Ottoman advance and leading to the eventual dismemberment of the Ottoman Empire in Europe.

At the age of 18, Gödel joined his brother in Vienna and entered the University of Vienna.

At the request of his father, Adolf Lorenz, he began a premedical curriculum in 1922 at Columbia University, but he returned to Vienna in 1923 to continue his studies at the University of Vienna.

At the fin de siècle, when Vienna was a major crucible and center for modern arts and culture, Altenberg was a very influential part of a literary and artistic movement known as Jung Wien or " Young Vienna ".

" Bam Thwok " and " Ain't That Pretty At All " were both recorded by engineer Ben Mumphrey, the former at Stagg Street Studios in Van Nuys, CA and the latter at Metamorphosis Studio in Vienna, Austria.

At the Congress of Vienna, Austria's representative, Prince von Metternich, felt the threat to this status quo in Austria was the nationalists demanding independence from the empire.

At 21, on the train between his home village and Vienna, Steiner met a herb gatherer, Felix Kogutzki, who spoke about the spiritual world " as one who had his own experience therein ...".

At the turn of the 20th century, hundreds of thousands of Slovenes emigrated to other countries, mostly to the United States, but also to South America, Germany, Egypt and to larger cities in the Austro-Hungarian Empire, especially Zagreb and Vienna.

At the Austrian Court in Vienna in the late 17th century ( 1698 ) ladies were conducted around the room to the tune of a 2-beat measure, which then became the 3 / 4 of the Nach Tanz ( After Dance ), upon which couples got into the position for the Weller and waltzed around the room with gliding steps as in an engraving of the Wirtschaft ( Inn Festival ) given for Peter the Great.

* August 10 – At the Vienna Hofburg, the grand opening ceremony is held for the Imperial Natural History Museum (), begun in 1871 ; from August 13 to the end of December, the museum counts 175, 000 visitors.

* December 8 – Ringtheaterbrand: At least 380 die in a fire at the Vienna Ringtheater.

* At the International Police Conference in Vienna, the International Criminal Police ( Interpol ) is set up.

At this time, the principal cavalry schools of Europe at Pinerolo and Tor-di-Quinto in Italy, the French school in Saumur, and the Spanish school in Vienna all preferred to use a very deep seat with long stirrups when jumping.

At the World Fair of 1873 in Vienna, Hebron was represented with glass ornaments.

At the Congress of Vienna in 1814 and 1815, the left-bank Palatinate — enlarged by other territories such as the former Bishopric of Speyer and the free imperial city of Speyer — was returned to the Wittelsbachs and became a formal part of the Kingdom of Bavaria in 1816 in exchange for Tirol, which Bavaria ceded to Austria.

At the close of the conflict, Czechoslovakia and Poland, acting to seize what they considered to be German possessions, expropriated the entirety of the Liechtenstein dynasty's hereditary lands and possessions in Bohemia, Moravia, and Silesia — the princes of Liechtenstein lived in Vienna until the Anschluss of 1938.

At 17: 30 Sobieski entered the deserted tent of Kara Mustafa and the battle of Vienna ended.

At the deliberations of the Congress of Vienna in 1814 and 1815, Frederick Augustus ' position was doomed by his country's difficult geographic position, the changing fortunes of war, a lack of assistance from Austria, and his own hesitant attitude.

Having hedged its bets in this way, PHS apparently decided it would be possible to make some sort of determination after all: `` At present radiation levels, and even at somewhat higher levels, the additional risk is slight and very few people will be affected ''.

At the end of its letter was the information that applicants for this position `` must also be prepared to teach costume design and advertising art ''.

At the present time we do not know by what biochemical mechanism TSH acts on the thyroid, but for bio-assay of the hormone there are a number of properties by which its activity may be estimated, including release of iodine from the thyroid, increase in thyroid weight, increase in mean height of the follicular cells and increase in the thyroidal uptake of Af.

At Yalta the West still believed that Eastern Europe could be kept in its orbit, in spite of the onrushing Soviet armies.

At about the time the Marsden enterprise was getting under way, the Vail Light and Lumber Company started construction of a chair stock factory on the site of the present Bennington Co-operative Creamery, intending to use its surplus power for generating electricity.

At its best the abstract expressionists achieve a simple rococo decorative surface.

At its most ecstatic moments, husband and wife are elevated far above worldly cares.

At the same time, there is a good deal of self-congratulation at attending a good college -- they are even inclined to exaggerate its not inconsiderable virtues -- and they express pleasure at the cozy in-group feeling that the college generates.

At last count, sixteen former Rhodes Scholars ( see box on page 13 ) had been appointed to the Administration, second in number only to its Harvard graduates.

At the State Department, hard-bitten Russian experts complained that the Capitol was out of its wits.

At each angle of its pitch a big skylight had been fitted into the roof and all these skylights were fitted with systems of multiple screens and shades.

At first the Belgian royal family administered the Congo as its own private property.

At war's end leadership in Western Europe passed from Britain because the Labour Government devoted its attention to the creation of a welfare state.

At the feeding station, the raffish group of cowbirds again bobbed and gobbled over the ground, but now, gorgeous among them, was a beautiful red cardinal, radiant in its feathered vestments.

At its 1864 convention, the Republican Party selected Andrew Johnson, a War Democrat from the Southern state of Tennessee, as his running mate.

" At its worst, Scheler says, " love for the small, the poor, the weak, and the oppressed is really disguised hatred, repressed envy, an impulse to detract, etc., directed against the opposite phenomena: wealth, strength, power, largesse.

At the start of a new industrial age in the 18th century, it was believed that " people are the riches of the nation ", and there was a general faith in an economy that paid its workers low wages because high wages meant workers would work less.

At the same time, Angola has promoted the revival of the Community of Portuguese-Speaking Countries ( CPLP ) as a forum for cultural exchange and expanding ties with Portugal ( its former ruler ) and Brazil ( which shares many cultural affinities with Angola ) in particular.

At this level we do not need to mention how the machine manages its tape or head.

At the time, the periodic table had been restructured by Seaborg to its present layout, containing the actinide row below the lanthanide one.

Some sources state that At < sub > 2 </ sub > does not exist, or at least has never been observed, while other sources assert or imply its existence.

At the peak of its efficiency in the early 16th century, the Venetian Arsenal employed some 16, 000 people who apparently were able to produce nearly one ship each day, and could fit out, arm, and provision a newly-built galley with standardized parts on an assembly-line basis not seen again until the Industrial Revolution.

At the end of this period, not longer than one year, the soul then takes its place in the World to Come.

Allotropes of iron, ( alpha iron and gamma iron ) showing the differences in atomic arrangement. At a certain temperature, ( usually between and ), the base metal of steel ( iron ) undergoes a change in the arrangement of the atoms in its crystal matrix, called allotropy.

At its peak, the Apollo program employed 400, 000 people and required the support of over 20, 000 industrial firms and universities.