Name day: Diana, Hipolit
Sunrise 5:31 am; sunset 8:22 pm; average air temperature: 20°C
Cloudy; Vistula river level: 180 cm



          The Germans launch an attack from a few directions, eventually capturing Stawki Street and closing the ring around the Old City. An army corps composed of nearly 10 000 enemy soldiers, equipped with heavy weapons and tanks and supported by planes, receives an order to quickly put an end to this encirclement.
          Fierce fights over the Royal Castle are ongoing.

          "Black Sunday" in the Old Town. In the afternoon the soldiers of the "Gustaw" battalion bring an abandoned German vehicle, SdKfz 301 Ausf. C Schwere Laudungstrager B-IV, onto Podwale Street. They are unaware, however, that the vehicle is a trap packed with explosives and equipped with a delay-action fuse. At 7 pm the vehicle, stationed on Kilińskiego Street, explodes, bringing instant death to insurgents and civilian population staying in the vicinity. Over 300 people die in a massacre, many are injured, among them - General "Bór".

          Śródmieście. In the evening the insurgents carry out an unsuccessful attack on the Mirów Halls, attempting to reestablish a connection between Śródmieście and the Old Town.

          The troops from the "Baszta" ("Bastille") regiment charge the SS barracks on Kazimierzowska and Narbutta Street and the so-called Wedel House at the corner of Puławska and Madalińskiego Streets, trying to break through and make a connection, but to no avail.

          The insurgents launch an attack in the so-called "Swiss Valley" and capture a building at 18 Koszykowa Street.

          Praga. One of British planes delivering drops crashes down at Skaryszewski Square, leaving six crew members dead.

          One of British planes drops a wreath with the inscription "From the British soldiers to our fighting comrades of the Polish Army".

          The Germans set up a heavy mortar of Karl type near the church of the Bernardines in Czerniaków.

          The second Sunday of the Uprising. Masses are taking places at churches, field chapels, home altars.

          The first insurgent newsreel footage presenting fights in the city is shown at the "Palladium" movie theater on Złota Street.