Even in the 1800s the literacy rate in the US was over 50% (the highest in the world), because it was founded by "sola scriptura" Protestants for whom Bible reading was a religious duty.
That's pretty recent. I'd consider it part of the "age of reading". And even then the US was an outlier, as you said.
That's pretty recent. I'd consider it part of the "age of reading". And even then the US was an outlier, as you said.