Between 1942 and 1944, 18,000 Polish refugees arrived to the Kenyan port city of Mombasa and taken to the territory of Tanganyika (known as Tanzania today).

With the assistance of Anders' Army, approximately 110,000 Polish evacuees left the Soviet Union to Persia and 18,000 of those refugees were sent to East Africa.

[2] While in Tanganyika, the refugees were sent to settlement camps in Ifunda, Kigoma, Kidugala, Kondoa, Morogoro and Tengeru.

In 1987, Tanzanian Foreign Minister Benjamin Mkapa paid an official visit to Poland.

[8] Poland's foreign direct investment in Tanzania reached $110 million in 2017, much of it in support of the agricultural sector through loans.