||Training and trials.
||Attached to the 2nd Reconnaissance group.
|April - May 1915:
||Mine laying operations.
||Operations in the Baltic Sea.
||Together with the cruiser Augsburg
, and the torpedo boats V99
, the Pillau
is sent for an
reconnaissance operation near Irben Strait.
||Bombardment of Zerel (Swalferort).
||Attacked by Russian submarine Drakon
, no damage on the cruiser.
and several torpedo boats are used for a cover operation of minesweepers in the Irben Strait.
||Bombardment of Arensburg.
||Bombardment of Dagerort.
||The cruiser is sent back to the North Sea.
|11 - 12.09.1915:
||Mine laying operations near Zwarte shoal.
|19 - 20.09.1915:
||Operations near Amrum.
|23 - 24.10.1915:
||Raid in the Helgoland Beight.
|16 - 19.12.1915:
||Patrol duty in the Skagerak and Kattegat.
||Operations with the Hochseeflotte.
|25 - 26.03.1916:
||Operations of the 1st and 2nd Reconnaissance Groups near Horns Reef.
||Battle of Jutland:
Together with other ships of the 2nd Reconnaissance Group, the Pillau
fights against the CL Chester
and later against the BC Invincible
is hit, disabling the oil-fired boilers.
||Escorts the damaged battlecruiser Seydlitz
back to Germany.
|18 - 20.08.1916:
||Operations with Hochseeflotte.
|25 - 26.09.1916:
||Operations with light forces.
|18 - 20.10.1916:
||Operations with Hochseeflotte near the Doggerbank.
covers the rescue operations of the U-boat U20
near the Danish coast.
||Patrol duties and escorting of U-boats.
||Operation in the Baltic Sea.
||Battle with light British forces near Helgoland. Pillau
scores some hits on British destroyers and is hit by
one shell itself.
||Repairs in Wilhelmshaven.
||Put into reserve.
||Taken over by Italy as reparation ship "U
", renamed Bari
. Equipped with additional 76 mm guns (3x)
||Refitted as "colonial cruiser".
||Reclassified as training ship.
||Operations near Corfu.
||Convoy duty in the Adriatic, shore bombardments of the Montenegro coastline.
||Modernization as anti-aircraft cruiser started at Livorno.
||Sunk in Livorno.
||Hull exploded by Italian forces to prevent capture by German troops.