A GLANCE AT PRUSSIAN POLITICS. PART I. [The author of the ensuing article, the topic of which is just now one of special interest, is MR. CHARLES M. MEAD, a gentleman who has spent the last year in Germany. Having resided in the family of Professor Jacobi, who fills the chair of history in the University of Halle, he has had excellent opportunities for making himself acquainted with his subject. Having a natural taste for political studies, he has investigated it in its many bearings with calm impartiality, and written upon it _con amore_. The conclusion will be given in our next issue.--EDITOR CONTINENTAL.] The struggle now going on in Prussia, whatever may be the issue, must be regarded as one of immense political importance. To Americans certainly, no less than to any other people, is the character and progress of this struggle a matter of profound interest. Though it cannot be said that the contest is that of revolutionists or even of republicans against a legitimately ruling monarch, yet the real principles involved in the contest are in substance those of absolutism and of democracy. Deep and irreconcilable as is now the opposition between the two contending elements, all Prussians are proud of Prussia's history. In order to a correct understanding of the present circumstances of the country, a brief survey of its previous history is necessary. In respect to the national domain, perhaps no other instance can be found so striking as that here presented, of a steady growth of an insignificant territory, from the first surrounded by powerful nations, to a size which entitles it to rank among the first Powers of the earth. Passing over the first few hundred years of her history, during which period much confusion prevailed as to boundaries as well as everything else, we find that as late as 1417 the country embraced a territory of only about seven thousand eight hundred square miles, or of about the size of Massachusetts; whereas its present extent is about one hundred and twelve thousand square miles, _i. e._, about as large as New England, New York, and New Jersey. In respect to population, the increase is proportionally great. In 1417 it was only one hundred and eighty-eight thousand five hundred; now it is over eighteen millions. As to general culture, the progress of the nation and its present relative position in the scale of civilization leave little for national pride to wish. The history of the nation commences with the conquest of Brandenburg by the Saxon emperor Henry I., in 927. He founded the so-called _North Mark_, and set over it a margrave. The government was administered by margraves until 1411, when, after a century of anarchy, during which the Mark was struggled for by many aspiring dukes, it was delivered over by the emperor Sigismund, an almost worthless possession, to Frederick of Hohenzollern, burggrave of Nuremberg, with the title of elector.