Did Brazil and Soviet Union (USSR) exist in the same era?

Yes, the two civilizations both existed around 1922 CE.

Which lasted longer, Brazil or Soviet Union (USSR)?

Brazil lasted longer (204 years).

Brazil: Güney Amerika; Soviet Union (USSR): Avrasya

Brazil (1822 CE – present) and Soviet Union (USSR) (1922 CE – 1991 CE) lived in the same era.

	Brazil	Soviet Union (USSR)
Period	1822 CE – present	1922 CE – 1991 CE
Duration	204 years	69 years
Region	Güney Amerika	Avrasya
Capital	—	Moskova
Type	Country	Federation
Government	Cumhuriyet	Tek Parti Sosyalist Cumhuriyet
Religion	—	Devlet ateizmi
Language	—	Rusça
Peak population	211,049,527	293,000,000
Rulers	38	8

Federative Republic of Brazil · South America

The first socialist superpower in history. The rival of the United States during the Cold War. It initiated the space race.

Did Brazil and Soviet Union (USSR) exist in the same era?: Yes, the two civilizations both existed around 1922 CE.
Which lasted longer, Brazil or Soviet Union (USSR)?: Brazil lasted longer (204 years).
Which regions did Brazil and Soviet Union (USSR) rule?: Brazil: Güney Amerika; Soviet Union (USSR): Avrasya