Before this discovery, it is widely believed that bricks appeared about 3000 years ago in the Western Zhou dynasty since the earliest bricks were found in Western Zhou ruins.

Before Moseley's discovery, the atomic numbers ( or elemental number ) of an element had been thought of as a semi-arbitrary sequential number, based on the sequence of atomic masses, but modified somewhat where chemists found this to be desirable, such as by the great Russian chemist, Dimitri Ivanovich Mendeleev.

Before the actual discovery of mendelevium, the trivalent state was the most stable one in aqueous solution.

Before Leeuwenhoek's discovery of microorganisms in 1675, it had been a mystery why grapes could be turned into wine, milk into cheese, or why food would spoil.

( Before the discovery of quarks, the term " strong interaction " referred to just internucleon interactions.

Before the relatively recent discovery of neurons and their role in pain, various different body functions were proposed to account for pain.

Before the discovery of the ubiquitin proteasome system, protein degradation in cells was thought to rely mainly on lysosomes, membrane-bound organelles with acidic and protease-filled interiors that can degrade and then recycle exogenous proteins and aged or damaged organelles.

Before the discovery of radioactivity, uranium was primarily used in small amounts for yellow glass and pottery glazes, such as uranium glass and in Fiestaware.

Before the discovery of a live coelacanth specimen, the coelacanth time range was thought to have spanned from the Middle Devonian to the Upper Cretaceous period.

Before the discovery of refrigeration, many sushi connoisseurs were at risk of contracting diseases.

Before the discovery of quantum effects and other challenges to Newtonian physics, " uncertainty " was always a term that applied to the accuracy of human knowledge about causes and effects, and not to the causes and effects themselves.

Before announcing the discovery, the foundation first recruits as many of these people as it can.

Before Scheele made his discovery of oxygen, he studied air.

Before the synthesis of ununseptium, none of ununseptium's daughter isotopes were known ; thus, there was no basis for an JWP discovery claim, much less for its recognition.

Before the discovery of antibiotics, pure mountain air was thought to be curative for patients with tuberculosis.

Before he reveals this discovery to the other Eternals, Harlan exacts a price, his lover is to be returned to him and both will go back to rescue Cooper.

Before the discovery of Centurion, the tallest known specimen was Icarus Dream, which was rediscovered in Tasmania in January, 2005 and is high.

Before the discovery of Mendelian genetics, one common hypothesis was blending inheritance.

Before the discovery of ribozymes, enzymes, which are defined as catalytic proteins, were the only known biological catalysts.

Before the discovery of iron and sulphur rich water, Harrogate comprised two hamlets, High Harrogate and Low Harrogate, close to the historic town of Knaresborough.

Before the discovery of magnetite in 1727, Kamaishi was little different from any of the other small fishing communities along the coast.

Before its discovery, the taxon was believed to have become extinct during the Miocene ; when it was discovered, it was heralded as a " living fossil ".

Before the discovery of Hyperion, the tallest redwood ever measured was the Dyerville Giant, also in Humboldt Redwoods State Park.

Before the discovery of America, the word Hart was common in surnames.

`` Before then, my sales during much of the year had lagged behind 1960 by 20% '', he says.

Before the election Lincoln served as a captain in the Illinois Militia during the Black Hawk War.

Before and during his political career, Disraeli was well known as a literary and social figure, although his novels are not generally regarded as a part of the Victorian literary canon.

Before the thirteenth century, beer was flavoured with plants such as yarrow, wild rosemary, and bog myrtle, and other ingredients such as juniper berries, aniseed and ginger, which would be combined into a mixture known as gruit and used as hops are now used ; between the thirteenth and the sixteenth century, during which hops took over as the dominant flavouring, beer flavoured with gruit was known as ale, while beer flavoured with hops was known as beer.

Before, during and after his career as a bureaucrat Karmal was a leading member of the Afghan movement.

Before that, it was about 7 censuses, most part of these previous censuses was undertaken during Soviet ( USSR ) control.

Lieutenant General Ēmile Janssens, the FP commander, wrote during a meeting of soldiers that ' Before independence = After Independence ', pouring cold water on the soldiers ' desires for an immediate raise in their status.

Before the vote to award franchises in 1959, Murchison revealed to Marshall that he owned the song and Marshall could not play it during games.

Before his death in 1987, Kaye demonstrated his ability to conduct an orchestra during a comical, but technically sound, series of concerts organized for UNICEF fundraising.

Before the Israeli military occupied Sinai during the June 1967 War ( Arab-Israeli war, also known as the Six-Day War ), a single Egyptian governorate administered the whole peninsula.

Before the advent of government-funded public schools, the primary mode of education for those of the lower classes was the charity school, pioneered during the 19th century by Protestant organizations and adapted for use by the Roman Catholic Church and governmental bodies.

Before the inception of the World Cup, the Olympics ( especially during the 1920s ) had the same status as the World Cup.

Before a new employee could rise to the level of mastery, he had to go through a schooling period during which he was first called an apprentice.

Before the assembled cardinals and delegations could engage in theological discussion, they had to decide how to sit during the proceedings.

All Genoshan mutants leave for Asteroid M. Before long, the country is taken over by Magneto who is ready to declare war on humanity with the Genoshan mutants by his side, following an attack on Professor X during an anti-mutant summit.

In addition to conflicts between his Spanish and German inheritances, conflicts of religion would be another source of tension during the reign of Charles V. Before Charles even began his reign in the Holy Roman Empire, in 1517, Martin Luther initiated what would later be known as the Reformation.

Before and during World War II, when Japan occupied Korea, Taiwan, parts of China, the Philippines, and various Pacific islands, locals in those countries learned Japanese as the language of the empire.

Before Jack and I moved to Montreal, we had just been through some very rough treatment in the racially biased South during spring training in Florida.

These were interrupted by service in the U. S. Army Signal Corps during World War II, where he worked as a codebreaker and participated in the landing at Casablanca. Before leaving for Europe in 1943, Greenberg married Selma Berkowitz, whom he had met during his first year at Columbia.

< gallery caption =" Before, during, and after the war " widths =" 180px " heights =" 150px " perrow =" 3 ">

Before the rise of Christianity, the pseudepigrapha of Enochic Judaism, which enjoyed much popularity during the Second Temple period, gave Satan an expanded role.

Before leaving Prestige, however, Davis had to fulfill his obligations during two days of recording sessions in 1956.

Before the 1976 season, the Giants tried to revive a weak offense by replacing retired RB Ron Johnson with future HOF fullback Larry Csonka, but Csonka was often injured and ineffective during his 3 years in New York.

Before and during the Civil War, the Ohio River was called the " River Jordan " by slaves crossing it to escape to freedom in the North via the Underground Railroad.