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In the Battle of Sankt Michael (or Sankt Michael-Leoben) on 25 May 1809, Paul Grenier's French corps crushed Franz Jellacic's Austrian division at Sankt Michael in Obersteiermark, Austria. The action occurred after the initial French victories during the War of the Fifth Coalition, part of the Napoleonic Wars. Sankt Michael is located approximately 140 kilometers southwest of Vienna. Originally part of the Danube army of Archduke Charles, Jellacic's division was detached to the south before the Battle of Eckmühl and later ordered to join the army of Archduke John at Graz. As it retreated southeast toward Graz, Jellacic's division passed across the front of Eugène de Beauharnais' Army of Italy, which was advancing northeast in pursuit of Archduke John. When he learned of Jellacic's presence, Eugène sent Grenier with two divisions to intercept the Austrian column. Grenier's lead division duly intercepted Jellacic's force and attacked. Though the Austrians were able to hold off the French at first, they were unable to get away. The second French division's arrival secured a clear numerical superiority over Jellacic, who was critically short of cavalry and artillery. Grenier's subsequent French assault broke the Austrian lines and captured thousands of prisoners. When Jellacic joined John it was with only a fraction of his original force. ==Background== In the opening encounters of the 1809 war between France and Austria, Emperor Napoleon beat Feldmarschall-Leutnant Johann von Hiller at the battles of Abensberg and Landshut on 20 and 21 April.〔Smith, pp 290–291〕 The following day, Napoleon defeated Generalissimo Archduke Charles at the Battle of Eckmühl, forcing him to retreat through Regensberg (Ratisbon) to the Danube's north bank with the main army.〔Smith, p 292〕 On the south bank, Hiller fell back to the east with his own VI Armeekorps, Feldmarschall-Leutnant Archduke Louis' V Armeekorps, and Feldmarschall-Leutnant Michael von Kienmayer's II Reserve Armeekorps, pursued by Marshal André Masséna.〔Smith, p 292-294〕 At the beginning of the 1809 war, Feldmarschall-Leutnant Jellacic's division formed part of VI Armeekorps and consisted of two brigades of line infantry under Generals-Major Konstantin Ettingshausen and Josef Hoffmeister von Hoffeneck.〔Bowden & Tarbox, p 70〕 However, when Bavaria was invaded, Archduke Charles detached Jellacic to advance from Salzburg and occupy Munich on the extreme south flank.〔Schneid, p 85〕 To better perform this mission, Hoffmeister's brigade was exchanged for General-Major Karl Dollmayer von Provenchères' cavalry-infantry brigade from the corps light division.〔Arnold, p 260n〕 After the Austrian retreat began, Jellacic was ordered to fall back on Salzburg. Accordingly, elements of his command began assembling in Salzburg beginning on 29 April.〔 Believing cavalry was of little use in the mountains, Jellacic sent Provenchères toward Vienna on 1 May with the ''O'Reilly'' Chevauxlegers # 3.〔Petre, 249〕 Hiller fought the Battle of Ebersberg on 3 May, then crossed to the north bank of the Danube on 11 May.〔Rothenberg, p 138〕 On 4 and 5 May, Jellacic fought a successful rearguard action at Lueg Pass, 40 km south of Salzburg. In the clash, a few hundred Hungarian regulars and Grenz infantry repulsed a brigade of pursuing Bavarians under the overall command of Marshal François Joseph Lefebvre.〔Smith, p 299〕 In Italy, General of Cavalry Archduke John defeated Viceroy Eugène at the Battle of Sacile on 16 April.〔Smith, p 286〕 Eugène fell back to Verona where he gathered reinforcements until he was superior in numbers to his Austrian opponent. After hearing news that Archduke Charles was in retreat, John withdrew from his Adige River defenses on 1 May.〔Schneid, pp 76–77〕 On 8 May, Eugène and John fought the Battle of Piave River and the Austrian retreat continued.〔Smith, p 300〕 John split his army, sending Feldmarschall-Leutnant Ignaz Gyulai along a southerly route to Ljubljana (Laybach), while taking his attenuated main body northeast to Villach. Sending General of Division Jacques MacDonald and 20,000 soldiers after Gyulai, Eugène followed John with 25,000 troops.〔Schneid, p 83〕 As John's columns slipped away toward Klagenfurt and Graz, Eugene entered Villach on 20 May.〔 On 15 May, Jellacic held Salzburg with 10,200 troops and 16 artillery pieces of the Northern Division. His force included 2,880 poorly trained Landwehr and only 60 cavalrymen.〔Bowden & Tarbox, p 115〕 After receiving orders from Archduke John to join him at Graz, Jellacic evacuated Salzburg on 19 May. By this time his isolation had become dangerous.〔 Eugène at Villach was only 130 km from Graz, while Jellacic at Salzburg was 200 km distant from Graz.〔Airline distances measured from Google Earth.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Battle of Sankt Michael」の詳細全文を読む スポンサード リンク
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