Tadeusz Anders was born on June 7, 1902, in the village Błonie, Kingdom of Poland, located approximately one kilometer north of Krośniewice.

[citation needed] By the age of 16, Tadeusz Anders joined the Polish Military Organisation and served in the vicinity of Mińsk Litewski in 1918.

With the onset of the Polish–Soviet War, Anders served in the 15th Poznań Uhlans Regiment, only to be transferred to Silesia in May 1921 to participate in the Third Silesian Uprising.

[citation needed] Upon completion of his Matura on June 25, 1922, Anders entered the Field Artillery Officers' School in Toruń.

On July 1, 1923, he advanced to the rank of podporucznik (the equivalent of Junior Lieutenant) while being assigned to the 29th Light Artillery Regiment.

While serving in the 7th Self-Propelled Artillery Regiment, Anders was promoted first to major, and then to podpułkownik (Lieutenant Colonel).