Was heißt »Erdzeitalter« auf Englisch?

Das Substantiv »Erdzeitalter« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Synonyme

The emperor passed away in January of 1989. Therefore, the name of the era changed from Showa to Heisei.
In the Cold War era, Soviet naval and air bases existed in Cuba and Vietnam.
I'm a person who was born during the Showa era.
I was born during the Showa era.
In the era of email, I'm so happy when a friend sends me a real letter.
I'm a man born in the Showa era.
During the Stalinist era, prisoners at concentration camps became slaves in service of the state.
He was one of the famous men of letters in his era.
This is the beginning of a new era.
World War II came to an end in the 20th year of the Showa era.
The law was enacted in the Meiji era.
The merchant accumulated tremendous fortune during the postwar era.
The invention of the transistor introduced a new era.
We are in the era of atomic energy.
In the postbiological era, synthetic bodies became the new home of human minds.
The end of the era of petroleum is in sight.
An era can be said to end when its basic illusions are exhausted.
I feel like I was born in the wrong era.
We're coming to the end of an era.
Women wore corsets during the Victorian era.