20 June 1944
Finns lose Viipuri nearly without a fight. The defense of the city has given to Colonel Kemppi's 20th Brigade who have been mostly in the rear doing fortification works and building roads.
Troops from the 10th Division and the Cavalry Brigade are allowed to withdraw through the city, and they tell the defenders horror stories of what lies ahead.
The enemy's attack begins at noon from east towards Ristimäki where Major Bäckman's Second Battalion is in defense. A rumour begins to circulate among the Finns that a withdrawal order has been give and some troops begin to leave their positions. The panic soon spreads to the whole of Second Battalion. Colonel Kemppi tries to plug the gap with his reserves, but without intact communication lines leading the defense becomes impossible.
Last Finnish troops, Colonel Kemppi among them, leave the city at 16.45 across the Linnasaari bridge towards Tienhaara.
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II AK withdraws to the Liistepohja positions in Maaselkä.
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Mannerheim appeals to his commanders to hold the VKT-line at all cost.
Soviet 21st Army's attacks on the western isthmus.
Withdrawal of Aunus Group from the south side of Svir.
Finnish daily losses: 350
Colonel Kemppi