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Sicherheitspolitik
Nach Ende des Zweiten Weltkriegs wuchsen rasch die Spannungen zwischen den beiden Weltmächten USA und UdSSR, die zur Schaffung der beiden Militärbündnisse NATO und Warschauer Pakt führten. Nach Ende des Kalten Krieges und der Auflösung des Warschauer Paktes veränderte sich die weltweite Sicherheitsarchitektur. Wie wichtig die NATO noch heute ist, zeigt die Bedrohung, die für Westeuropa nach dem russischen Einmarsch in der Ukraine entstanden ist.
Learn more25 Years of German Unity
After four decades of separation in the course of the East-West conflict, the unity of Germany was constitutionally restored on October 3, 1990. The Peaceful Revolution in the GDR and the willingness of the victorious powers of the Second World War enabled reunification. Special merits were earned by the then Chancellor Helmut Kohl as well as by the Soviet head of government Mikhail Gorbachev. Their negotiations were complicated but remained friendly – although the dissolution of its ally GDR signified a considerable loss of power for the Soviet Union at the time.
Learn moreProgramming
There are a lot of things in the world whose functioning and appearance were determined even before they are perceived or before they occur.
Learn moreSafety in Road Traffic
This DVD encourages children as young traffic participants to be considerate in road traffic to ensure safety and show social responsibility. It explains that in road traffic, children are especially exposed to danger and emphasises that above all, primary school children are confronted with a lot of novel and difficult situations. The film focuses on the following aspects of road training: Pedestrians in road traffic, seeing and being seen, being a car passenger, the bicycle as a means of transport, the blind spot, the safe bike, traffic signs and regulations, turning left, the bicycle test. This DVD preventively supports correct conduct in everyday road traffic in terms clearly understandable to children.
Learn moreKathetensatz des Euklid
Das Quadrat einer Kathete ist genauso groß wie das Produkt der Hypotenuse mit dem zugehörigen Hypotenusenabschnitt.
Learn morePhotovoltaics
Photovoltaics is the direct conversion of light energy into electrical energy. This principle is increasingly being used as a regenerative energy source - for this purpose, large-scale solar collectors are being installed on house roofs and on open spaces.
Learn moreParkour
Parkour ist eine recht junge Trendsportart, die Hindernisse in der alltäglichen Umgebung möglichst elegant überwindet.
Learn moreZünfte
Die Entstehung der Zünfte fällt ins Hochmittelalter und ist eng verbunden mit den Stadtgründungen.
Learn moreGermanic Tribes
When the Romans deliberately encountered the Germanic tribes in the 2nd century BC, they knew almost nothing about their soon-to-be most dangerous enemies and even today, much is still obscure as the Germanic tribes, unlike the Romans, did not leave behind large stone edifices but built their houses from wood – and this is ephemeral.
Learn moreRulers, States, Regimes
About 150 years lie between the creation of these pictures: on the one hand, the absolute ruler of France Louis XIV, who reigned from 1643 to 1715 and on the other hand, George Danton and Maximilien Robespierre, two distinguished representatives of the French Revolution after 1789, who decided the fate of France. What had happened that the leaders of their country had themselves represented in such different ways? Here the radiant, glorious prince, clothed in precious robes, in front of a legendary background – there the plainly dressed men at their desks with pen and ink as attributes of the educated citizen.
Learn moreSecond World War I
When, on 1st September 1939, the German Wehrmacht unleashed the Second World War with the attack on Poland, nobody could have visualised what immense suffering and gigantic destruction would descend on mankind during the following six years. More than 57 million people, including almost 27 million Russians, paid for the German quest for world domination with their lives. Incited by populist ideas, almost an entire nation enthusiastically went to “all-out war”, thus plunging the world into the second great disaster of the 20th century. But shouldn’t people have known better considering that the First World War had only just been 21 years before?
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