[4] At the start of World War II in September 1939; Brazil remained neutral after the invasion of Poland by Germany.

On 22 August 1942, Brazil declared war on Germany and Italy after the sinking of six Brazilian ships in the Atlantic Ocean by German U-boats.

From 1965 to 1985, Brazil was governed by a military dictatorship which placed the advancement of diplomatic relations between both nations on hold, in addition, Poland was experiencing the Solidarity Polish trade union movement protests during the 1980s which contributed to the collapse of communism in the country in 1990.

[8] In January 2019, Polish Foreign Minister Jacek Czaputowicz paid a visit to Brazil to attend the inauguration of President Jair Bolsonaro.

[3] Brazil's main exports to Poland consist of mineral resources, machinery and electric devices, foodstuffs, chemicals and plastics.

Poland's exports to Brazil consist of machinery and electric devices, chemicals, as well as plastics, mainly synthetic rubber.