Kammala jumla mai zuwa: An lalata garin a cikin Yakin Shekaru talatin,
Yakin Poland-Swedish da Babban Yakin Arewa a ƙarni na 17-18th. A ƙarni na 17 ta zama sashen Sweden, a shekara ta 1720 Prussia ta mallake ta, kuma daga shekara ta 1871 ta zama sashen Daular Jamus. A ƙarshen Yaƙin Duniya na II, a 1945, an lalata garin sosai. Tun lokacin da aka sanya layin Oder-Neisse a kan iyakar Jamus da Poland bayan da aka ci Nazi Jamus a yaƙin a 1945, Gartz yanzu gari ne na kan iyaka. Bayan yaƙin ya zama sashen Jamusanci ta Gabas na Kwaminisanci. Bayan faduwar kwaminisanci a Tsakiyar Turai da sake hadewar Jamus, a cikin 1990 Gartz ya shiga haɗin gwiwa tare da garin Gryfino na Poland da ke kusa da ita a matsayin garin tagwayensa, kuma a cikin 1998 an ƙaddamar da balaguron kogin tsakanin garuruwan. A cikin 1991, an sanya garin ga jihar Brandenburg, duk da cewa a tarihi yana cikin Pomerania. A cikin 1993, an kafa aikin makarantar Poland da Jamusanci a makarantar gida. Garin ya sha wahala daga ambaliyar ruwan Tsakiyar Turai ta 1997. 'Yan Poland da yawa sun koma Gartz, kuma daga shekarar 2014, 32 daga cikin yara 62 a cikin makarantar renon yara na gida suna da iyayen da ba Jamusawa ba.