The trio was written late in the " middle period " ( spanning roughly 1803 to 1814 ) of Beethoven's compositional career.

The transition from Miacidae to Carnivora was a general trend in the middle and late Eocene, with taxa from both North America and Eurasia involved.

They most likely originated in West Gondwana and are 67 – 107 million years old, so the oldest split could relate to the break-up of Gondwana in the middle Eocene to late Oligocene, 45 – 24 million years ago, and reached their current distribution by multiple intercontinental dispersal events.

In older literature the Cretaceous is sometimes divided into three series: Neocomian ( lower / early ), Gallic ( middle ) and Senonian ( upper / late ).

Marine reptiles included ichthyosaurs in the early and middle of the Cretaceous ( becoming extinct during the late Cretaceous Cenomanian-Turonian anoxic event ), plesiosaurs throughout the entire period, and mosasaurs appearing in the Late Cretaceous.

In the middle to late 1950s, use of the Humble brand spread to other southwestern states, including Arizona, New Mexico, and Oklahoma.

It is most widely accepted that stromatolites from the late Archean and through the middle Proterozoic eon were mostly formed by massive colonies of cyanobacteria ( formerly known as blue-green algae ), and that the oxygen byproduct of their photosynthetic metabolism first resulted in earth ’ s massive banded iron formations and subsequently oxygenated earth ’ s atmosphere.

Meanwhile the five-course baroque guitar, which was documented in Spain from the middle of the 16th century, enjoyed popularity, especially in Spain, Italy and France from the late 16th century to the mid-18th century.

Scholars in the first half of the 20th century came to the conclusion that the Yahwist was produced in the monarchic period, specifically at the court of Solomon, and the Priestly work in the middle of the 5th century BC ( the author was even identified as Ezra ), but more recent thinking is that the Yahwist was written either just before or during the Babylonian exile of the 6th century, and the Priestly final edition was made late in the Exilic period or soon after.

Many linguists believe this to be true of the middle and late stages of Proto-Indo-European.

The Viking Age, a period of migrations of Scandinavian peoples, dominated the period from the late 700s to the middle 1000s.

As a result the Unionists were able to gain most of the votes of the middle classes, who now feared Bolshevik revolution, setting the social and geographical electoral pattern in Scotland that would last until the late 20th century.

After the weakening of the Byzantine Empire and the Bulgarian Empire in the middle and late 13th century, most of the Albanian territory became part of the Serbian state.

The International Red Cross began operations in numerous countries in the late 19th century, promoting nursing as an ideal profession for middle class women.

The oldest known fossil showing unambiguous imprints of hair is the Callovian ( late middle Jurassic ) Castorocauda, an early mammal.

Musical Impressionism is the name given to a movement in European classical music that arose in the late 19th century and continued into the middle of the 20th century.

From their original homelands in Scandinavia and far northern Europe Germanic tribes expanded throughout northern and western Europe in the middle period of classical antiquity, and southern Europe in late antiquity, conquering Celtic and other peoples and forming in 800 the Holy Roman Empire, the first German Empire.

The rule may have been intended as a status symbol for new members of the upper and middle classes in the late 19th and early 20th century.

Balatonfüred and Hévíz developed early as resorts for the wealthy, but it was not until the late 19th century when landowners, with their vines destroyed by lice, began building summer homes to rent out to the burgeoning middle classes.

While a few settlements on Lake Balaton, including Balatonfüred and Hévíz, have long been resort centres for the Hungarian aristocracy, it was only in the late 19th century that the Hungarian middle class began to visit the lake.

The themata were administrative units of the middle and late Byzantine Empire.

Isis was still remembered in the middle ages as a pagan deity, but Mithras was already forgotten in late antiquity.

From the middle and late Eastern Han to the early Wei and Jin dynasties, the net growth of ancient Chinese science and technology experienced a peak ( second only to that of the Northern Song dynasty )... Han studies of the Confucian classics, which for a long time had hindered the socialization of science, were declining.

Early Permian terrestrial faunas were dominated by pelycosaurs and amphibians, the middle Permian by primitive therapsids such as the dinocephalia, and the late Permian by more advanced therapsids such as gorgonopsians and dicynodonts.

Aachen became attractive as a spa by the middle of the 17th century, not so much because of the effects of the hot springs on the health of its visitors but because Aachen was then — and remained well into the 19th century — a place of high-level prostitution in Europe.

By the middle of the 19th century, industrialisation swept away most of the city's medieval rules of production and commerce, although the entirely corrupt remains of the city's mediæval constitution was kept in place ( compare the famous remarks of Georg Forster in his Ansichten vom Niederrhein ) until 1801, when Aachen became the " chef-lieu du département de la Roer " in Napoléon's First French Empire.

Several Cyrillic alphabets with 28 to 44 letters were used in the beginning and the middle of the 19th century during the efforts on the codification of Modern Bulgarian until an alphabet with 32 letters, proposed by Marin Drinov, gained prominence in the 1870s.

Now the most commonly understood meaning of the term ballad, sentimental ballads, sometimes called " tear-jerkers " or " drawing-room ballads " owing to their popularity with the middle classes, had their origins in the early ‘ Tin Pan Alley ’ music industry of the later 19th century.

The first modern parties in the country developed in the middle of the 19th century, and their agenda and appeal changed, reflecting major social changes, such as the breakup of Austria-Hungary, the Kingdom of Serbs, Croats and Slovenes, dictatorship and social upheavals in the kingdom, World War II, the establishment of Communist rule and the breakup of the SFR Yugoslavia.

Another feature of the population was the number of Spanish-born colonists, known as peninsulares, who were mostly adult males ; they constituted between ten and twenty per cent of the population between the middle of the 19th century and the great depression of the 1930s.

By the middle of the 19th century it was the largest and most modern glassworks in the world.

Both the British and the French turned their attention to the Comoros islands in the middle of the 19th century.

It was prominent for centuries, and continued through middle 19th century.

In various revised editions ( 12 in all, through 1872 ), Principles of Geology was the most influential geological work in the middle of the 19th century, and did much to put geology on a modern footing.

The latter title has since been usurped by the Hawran region, which since the middle of the 19th century has proven a haven of refuge to Druze emigrants from Lebanon and has become the headquarters of Druze power.

The Shihab leadership continued until the middle of the 19th century and culminated in the illustrious governorship of Amir Bashir Shihab II ( 1788 – 1840 ) who, after Fakhr-al-Din, was the most powerful feudal lord Lebanon produced.

His own explanation was that the rise of the " puritan middle class ," who had stricter morals than the aristocracy, tightened the rules of censorship in the 19th century.

Genoese formed the larger group of the new population in the 18th century and middle 19th century.

It commemorates the anniversary of German reunification in 1990, when the goal of a unity of Germany that originated in the middle of the 19th century, was fulfilled.

The Third Plague Pandemic started in China in the middle of the 19th century, spreading plague to all inhabited continents and killing 10 million people in India alone.

The state of the Jews of what would later become southern Russia created a favorable field for mystical movements and religious sectarianism, which spread in the area from the middle of the 18th to the middle of the 19th century.

In the middle of the 19th century — a time of change, as Emperor Napoleon III rebuilt Paris and waged war — the Académie des Beaux-Arts dominated French art.

In the middle of the 19th century, many intellectuals joined the Scandinavist movement, which promoted closer contacts between the three countries.

Union organizing would eventually be outlawed everywhere and remain so until the middle of the 19th century.

In the middle of the 19th century, medical writers attempted to establish ways to identify male homosexuality, which was considered a significant social problem in most Western societies.