Did United States of America and Russia exist in the same era?

Yes, the two civilizations both existed around 1776 CE.

Which lasted longer, United States of America or Russia?

Russia lasted longer (479 years).

United States of America: Kuzey Amerika; Russia: Avrupa

United States of America (1776 CE – present) and Russia (1547 CE – present) lived in the same era.

	United States of America	Russia
Period	1776 CE – present	1547 CE – present
Duration	250 years	479 years
Region	Kuzey Amerika	Avrupa
Capital	Washington D.C.	—
Type	Republic	Country
Government	Federal Başkanlık Cumhuriyeti	Federasyon
Religion	Hristiyanlık (çeşitli)	—
Language	İngilizce	—
Peak population	331,000,000	144,373,535
Rulers	20	4

The world's first modern democratic republic. With its superpower status, the most influential state of the 20th and 21st centuries.

Russian Federation · Europe

Did United States of America and Russia exist in the same era?: Yes, the two civilizations both existed around 1776 CE.
Which lasted longer, United States of America or Russia?: Russia lasted longer (479 years).
Which regions did United States of America and Russia rule?: United States of America: Kuzey Amerika; Russia: Avrupa