It entered production in 1959, with 7500 being built.

Penicillinase was the first β-lactamase to be identified: It was first isolated by Abraham and Chain in 1940 from Gram-negative E. coli even before penicillin entered clinical use, but penicillinase production quickly spread to bacteria that previously did not produce it or produced it only rarely.

With the end of Roman civilization, Western Europe entered the Middle Ages with great difficulties that affected the continent's intellectual production.

The GÉANT project began in November 2000, entered full production operation in December 2001 ( fully replacing TEN-155 ).

Eventually, Kid Icarus was finished and entered production a mere three days before the release date.

In the 1940s Cyril Pullin developed the Powerwheel, a wheel with a rotating one-cylinder engine, clutch and drum brake inside the hub, but it never entered production.

Years before Robin Hood had even entered production, Disney had considered doing a project on Reynard the Fox.

However, by the time it entered production in May 1990, the two states had already agreed to reunification.

As the series entered into production, the budget required it be cut down to twenty-six episodes before work began on the final scripts and animation began.

* TVR Cerbera Speed Twelve ( never entered production )

This was developed side by side with an airframe, the Hawker P. 1127, which became subsequently the Kestrel and then entered production as the Hawker Siddeley Harrier, though the supersonic Hawker Siddeley P. 1154 was canceled in 1965.

Kawasaki presented also in 1972 its Kawasaki X99 RCE prototype ( US patent N 3848574 ), both Yamaha and Kawasaki claimed having solved all problems previously found in Wankel RCEs, but none entered the stage of production.

The 880 continued into 1965, the year a completely new full-size body was put into production, the Polara entered the medium price class and the Monaco was added as the top series.

The former entered production and service while the latter did not.

The 2. 1-liter 402 entered production in 1935 and was produced until the end of 1941, despite France's occupation by the Nazis.

However, because they lacked capital and the planters continued to own the means of production ( tools, draft animals and land ), the freedmen were forced into producing cash crops ( mainly cotton ) for the land-owners and merchants, and they entered into a crop-lien system.

After lengthy negotiations, on February 1, 2005, the Nigerian and Sao Tomé governments entered into an exploration and production sharing agreement over the first of six different exploration blocs with a US dominated consortium led by ChevronTexaco with 51 % of the equity, ExxonMobil with 40 % and Dangote Energy Equity Resources, a small Nigerian and Norwegian company with the remaining 9 %.

Electroluminescent automotive instrument panel backlighting, with each gauge pointer also an individual light source, entered production on 1960 Chrysler and Imperial passenger cars, and was continued successfully on several Chrysler vehicles through 1967.

Sylvania Lighting Division in Salem and Danvers, MA, produced and marketed an EL night lamp ( right ), under the trade name Panelescent at roughly the same time that the Chrysler instrument panels entered production.

In May a new company, Sinclair Vehicles Ltd, was formed out of Sinclair Research and a development contract entered with Lotus to take the C5 design to production.

Her next picture was Jezebel ( 1938 ), and during production Davis entered a relationship with director William Wyler.

Although two designs, the Canadair CL-84 Dynavert and the LTV XC-142, were technical successes, neither entered production due to other issues.

Despite a rather disastrous production in Bergamo shortly after its initial run at La Fenice, the opera soon entered the repertory of Italian theatres.

Called the GAZ 11, this more upscale model entered production in 1942 and remained in limited wartime production until 1946.

* The Protocol on Environmental Protection to the Antarctic Treaty was signed October 4, 1991 and entered into force January 14, 1998 ; this agreement prevents development and provides for the protection of the Antarctic environment through five specific annexes on marine pollution, fauna and flora, environmental impact assessments, waste management, and protected areas.

He there entered the service of Henry II of France and had undertaken a campaign to regain his lands when he died at Pforzheim on 8 January 1557.

On 1 January 2007 Bulgaria entered the European Union.

The U. S .- Chile FTA entered into force January 1, 2004, following approval by the U. S. and Chilean congresses.

On 1 January 2008, the country entered the eurozone and adopted the euro as its official currency, replacing the Cypriot pound at an irrevocable fixed exchange rate of CYP 0. 585274 per EUR 1. 00.

He entered the USAF Manned Spaceflight Engineer program in 1982, and was scheduled to fly on mission STS-71-B in December 1986, but the mission was cancelled after the Challenger Disaster in January 1986.

On January 1, 2009 the U. S .– Iraq Status of Forces Agreement entered into force.

The agreement was opened for signature on January 26, 1994, and entered into force on January 1, 1997.

In contrast, specific years pertaining to dates were identified by naming two consuls, who entered office on May 1 and March 15 until 153 BC, when they began to enter office on January 1.

Since the fixed-line voice communication monopoly ended on January 1, 2003, several companies entered the market for fixed voice communication services: Aeronavigācijas serviss, Baltkom TV, Beta Telecom, Latvenergo Tehniskais Centrs, OPTRON, Rigatta, Telecentrs, Telenets, Telekom Baltija and CSC Telecom.

On Tuesday, 4 January 1642, the King entered the House of Commons to seize the five members and took the speaker's chair.

From 1986 to 1987, Sixx kept a daily diary of his heroin addiction and eventually entered rehab in January 1988.

The treaty was opened for signature on September 16, 1987, and entered into force on January 1, 1989, followed by a first meeting in Helsinki, May 1989.

On 20 January 1494, after heavy snowfalls, Lorenzo's heir, Piero de Medici, commissioned a snow statue, and Michelangelo again entered the court of the Medici.

But in late November, Chinese forces entered the war and pushed the U. N. forces back, retaking Pyongyang in December and Seoul in January 1951.

The year used in dates during the Roman Republic and the Roman Empire was the consular year, which began on the day when consuls first entered office – probably 1 May before 222 BC, 15 March from 222 BC to 154 BC, but this event was moved to 1 January in 153 BC.

The Treaty on Open Skies entered into force on January 1, 2002, and currently has 34 States Parties.

The treaty entered into force on January 2, 2002, after Russia and Belarus completed ratification procedures.

Allied troops entered Asunción in January 1869, but Solano López held out in the northern jungles for another fourteen months until he finally died in battle.

The patent application entered into national phase exclusively with Canada, advertised as lapsing in Australia on 27 January 1994 and in Canada on 6 November 1995 .< ref >

It opened for signature on October 4, 1991 and entered into force in January 14th of 1998.

By mid-November, the White Armies almost simultaneously became exhausted, and, in January 1920, Budenny's First Cavalry Army entered Rostov-on-Don.

On January 8, 2007, as the Battle of Ras Kamboni raged, TFG President and founder Abdullahi Yusuf Ahmed, a former colonel in the Somali Army and decorated war hero, entered Mogadishu for the first time since being elected to office.

On 8 January 2007, as the Battle of Ras Kamboni raged, TFG President and founder Abdullahi Yusuf Ahmed, a former colonel in the Somali Army and decorated war hero, entered Mogadishu for the first time since being elected to office.