Although no national norms exist for the social development of children, the teacher can find a great deal of information concerning types of social behavior normally displayed by children at various age levels.

Although an explanation for the phenomenon was not provided until 1919, duralumin was one of the first " age hardening " alloys to be used, and was soon followed by many others.

Although he had crowned his son John II Komnenos co-emperor at the age of five in 1092, John's mother Irene Doukaina wished to alter the succession in favor of her daughter Anna and Anna's husband, Nikephoros Bryennios the Younger.

Although Andronikos was at that time fifty-six years old, age had not diminished his charms, and Theodora became the next victim of his artful seduction.

Although his father had him baptised to Anglicanism at age 12, he was nonetheless Britain's first and thus far only Jewish Prime Minister.

Although born of Jewish parents, Disraeli was baptised in the Christian faith at the age of twelve, and remained an observant Anglican for the rest of his life.

Although plans to raise the school leaving age to 15 in the 1940s were never ratified, increasing numbers stayed on beyond elementary education and it was eventually raised to 16 in 1973.

Although estimates as to its age vary, they range from over a thousand to nearly two thousand years old.

Although it is sometimes claimed that Irenaeus believed Christ did not die until he was older than is conventionally portrayed, the bishop of Lyons simply pointed out that because Jesus turned the permissible age for becoming a rabbi ( 30 years old and above ), he recapitulated and sanctified the period between 30 and 50 years old, as per the Jewish custom of periodization of human life, and so touches the beginning of old age when one becomes 50 years old.

Although Andrew Jackson served as a courier in a militia unit at age thirteen, Monroe is regarded as the last U. S. President who was a Revolutionary War veteran, since he served as an officer of the Continental Army and took part in combat.

Although he spoke very little Czech himself, Gödel automatically became a Czechoslovakian citizen at age 12 when the Austro-Hungarian empire broke up at the end of World War I.

Although the majority of the population — 59. 8 percent — is between 15 and 64 years of age, Lesotho has a substantial youth population numbering around 35. 3 percent.

Although 90 % of private and public education spending is on children between the ages of 6 and 19, 90 % of brain growth occurs before age 6.

Although laparoscopy in adult age group is widely accepted, its advantages in pediatric age group is questioned.

Although they would never die of old age nor illness, and could give birth to fully immortal children if mated to a god, they themselves were not necessarily immortal, and could be beholden to death in various forms.

" Although many theologians would argue that an " age of accountability " is nowhere mentioned in the Bible.

Although brought up to be a practicing Christian, he was not confirmed in the Episcopal Church until age 46.

Although Ruth Benedict ’ s fascination with death started at an early age, she continued to study how death affected people throughout her career.

Although he was small in primary school, he grew rapidly around the age of 12, reaching his full adult height of 6 ft 2 inches ( 188 cm ) at 18.

Although Barre managed to recover enough to present himself as the sole presidential candidate for re-election over a term of seven years on December 23, 1986, his poor health and advanced age led to speculation about who would succeed him in power.

Although there are only a handful of Quaternary supervolcanoes, supervolcanic eruptions typically cover huge areas with lava and volcanic ash and cause a long-lasting change to weather ( such as the triggering of a small ice age ) sufficient to threaten species with extinction.

Although Aaron ( age 21-26 ) recorded only one of his five best seasons, their averages are not too far from the career averages of the two baseball players.

Although the bill aimed generally to overhaul and modernize all of the federal court system, its central and most controversial provision would have granted the President power to appoint an additional Justice to the U. S. Supreme Court for every sitting member over the age of 70½, up to a maximum of six.

Although most ultralights are monoplanes the low speeds and simple construction involved have inspired a small number of biplane ultralights, such as Larry Mauro's Easy Riser.

Although satisfactory by the standards of the day, the Boxkite was not capable of much further development and work was started on two new designs, a small tractor configuration biplane, and a monoplane.

Although it never went into production, to this day the variant has the distinction of being the fastest biplane ever flown.

Although serving valiantly in the first years of the Second World War, the Gloster Gladiator was sorely outclassed by contemporary monoplane fighters such as the Messerschmitt Bf-109, and destined to be the RAF's last biplane fighter.

Although the military tractor in which Lieutenant Taliaferro met his untimely death remained on the surface of the bay, a crumpled mass of wreckage, for fully three minutes after it struck, both pilot and machine found a resting place on the bay bottom several minutes before a rescue boat arrived on the spot and up to an early hour this morning, neither the dead army aviator nor the biplane had been brought to the surface.

Although it was dark as usual I could see that the hall had only recently contained a great many people.

Although New Orleans was not to learn of it for a spell, she also was a sadist, a nymphomaniac and unobtrusively mad -- the perpetrator of some of the worst crimes against humanity ever committed on American soil.

Although Faulkner was the heir in his own family to this tradition, he did not have Stark Young's inclination to romanticize and sentimentalize the planter society.

Although his tender nights were not the ones I dreamed of, nor was it for yachts, sports cars, tall drinks, and swimming pools, nor yet for money or what money buys that I burned, I too was burning and watching myself burn.

Although after much trouble he did manage to get it back, he discovered there was no trade to be had.

Although he did not attend any celebrated schools or universities, he was a master of Greek and Hebrew and could read the Bible in the original.

Although the fort was evacuated in the face of the force of Cornwallis, Morgan and his men did have a chance to take another swing at the redcoats.

Although because of the important achievements of nineteenth century scholars in the field of textual criticism the advance is not so striking as it was in the case of archaeology and place-names, the editorial principles laid down by Stevenson in his great edition of Asser and in his Crawford Charters were a distinct improvement upon those of his predecessors and remain unimproved upon today.

Although Mr. Brown was not himself its inventor ( it was a French idea ), it is typical that his intuition first conceived the importance of mass producing this basic tool for general use.

Although it was a mere fragment of the victim's remains, it was enough.

Although there were only four fluids tested, it was apparent that there were two distinct types.

Although the tape was run for over 1 hr., a steady state was not reached, and it was concluded that the reason for this was that the back pressure of the manometer was built up from the material fed from between the blocks and this was available at a very slow rate.

-- Although there was some variation in results which must be attributed either to trace impurities or to variation in wall effects, the photochemical exchange in the gas phase was sufficiently reproducible so that it seemed meaningful to compare the reaction rates in different series of reaction tubes for the purpose of obtaining information on the effect of chlorine concentration and of carbon tetrachloride concentration on the reaction rate.

Although the Taylor Scale was designed as a group testing device, in this study it was individually administered by psychologically trained workers who established rapport and assisted the children in reading the items.