The modern form of the instrument was invented by Hohner in the 1950s, though similar instruments have been known in Italy since the 19th century.

Most emigrated to Israel in the mid 20th century.

It represents a cultural rebirth from the 14th through the middle of the 17th centuries.

However, since the middle of the 20th century it has been known that the primitive cockroach insects found fossilized in Palaeozoic strata are the forerunners not only of modern cockroaches but also of mantises and termites.

In the middle of the 19th century Riemann introduced his theory of integration.

In Germany, the species died out in the mid 18th century.

The Avars had arrived in Europe in the late 550s.

In Eastern Europe the institution persisted until the mid 19th century.

The application of UVGI to disinfection has been an accepted practice since the mid 20th century.

European exploration of the interior began in the mid 19th century.

It was not until the mid 1980s that these operations became commonplace.

The family had lived within the county since the middle of the sixteenth century.

They dominated trade and discovery along the coasts of Africa, and Asia until the mid 17th century.

Dylan Thomas became famous on both sides of the Atlantic in the mid 20th century.

Islam spread to the Republic of the Congo from North Africa in the mid 19th century.

Old Town Hall on the Market Square built in mid 14th century.

The town walls and the Upper Gate (since the mid 19th century known as the High Gate).

The interest rate on ten year Treasuries increased from about 4 in the mid 1960 s to 8 in the mid 1970 s and 10 in the mid 1980 s.

The first style of Roman painting was practiced from the early 2nd century BC to the early or mid 1st century BC.

Haiti s recent economic history is marked by a remarkable and tragic downslide since the mid 1980 s, exacerbated by sometimes well intentioned but typically disastrously executed US diplomacy.

Since the mid 20th century, the usage of sulfonic acids has surpassed soap in advanced societies.

Around the middle of the 16th century, the city became an important Calvinist center in the Spanish Netherlands.

In the mid nineteenth century, the village was controlled by the Abu Ghosh family.

The first term defined the tumultuous middle of the twentieth century, the latter its benign ending.

The Ghibelline Visconti family was to retain power in Milan for a century and a half from the early 14th century until the middle of the 15th century.

The era of the gentleman caller ended in the early 20th century and the modern idea of dating developed.

Between the mid 1970 s and the mid 1990 s, Australia had several mass shootings.

By mid century, the lives of seven billion people might be governed by its laws.

Before the middle of the 20th century, most forest managers believed that fires should be suppressed at all times.

When he returned to Afghanistan in the mid 1960s, the route flew to Afghanistan by way of Moscow.

The first hospital to treat burns opened in 1843 in London, England and the development of modern burn care began in the late 1800s and early 1900s.

Today, however, Chinese are facing past atrocities from the Century of Humiliation that ended with the Communist takeover in 1948, and a long suppressed anger has resurfaced.

In the 18th century Daniel Defoe (author of Robinson Crusoe ) and Samuel Richardson were pioneers of the modern novel.

The region of Pagan received waves of Burman settlements in the mid to late 9th century, and perhaps well into the 10th century.

We will need to shift to no or low carbon energy by mid century.

From the mid nineteenth century, the best minds went into politics, not business.

Yet we must complete most of the transformation to low carbon energy by mid century.

The basic geography of the Antarctic coastline was not understood until the mid to late 19th century.

Europeans remained in control of the government in eastern North Africa until the mid 20th century.

An important institution was the public hospital, opened in the mid 13th century, which provided services for the poor.

Line infantry is the type of infantry that composed the basis of European land armies from the middle of the 17th century to the middle of the 19th century.

But President Hosni Mubarak and the ruling National Democratic Party have been stonewalling since the mid 1980's.

In the mid 1980 s, then Prime Minister Margaret Thatcher successfully pushed the idea of an integrated internal market.

China has been the developing world s largest recipient of FDI since the mid 1990s.

Since the mid 1990 s, African economies have been recording growth rates that are higher than world averages.