Rubuta ci gaba ga wannan sakin layi - Bayan yakin Tacna
, da kuma koma baya na sojojin Arewacin Peru da na Bolivia, da kuma rushewar Peru-Bolivia Confederation, mamayar da sojojin Chile suka fara a hukumance, da kuma tsarin Chileanization, kuma a shekarar 1911, an haɗa shi a hukumance a lardin Tacna na Chile a matsayin Ma'aikatar Tarata, tare da Tarata ta zama gundumar Ma'aikatar da ke da sunan. A cikin 1921, duk da haka, Chile ta soke sashen, kuma a cikin 1925 ta mayar da birnin zuwa Peru a ƙarƙashin sasantawa na Shugaban Amurka Calvin Coolidge, wanda ya tilasta iyakar da aka amince da ita a arewacin, wanda ba ya haɗa da birnin.