Conversation so far:
When was J. R. R. Tolkien born?
3 January 1892
Where did J. R. R. Tolkien grow up?
In 1896, J. R. R. Tolkien moved to Sarehole (now in Hall Green), then a Worcestershire village, later annexed to Birmingham.
Where did J. R. R. Tolkien attend school?
Mabel Tolkien taught her two children at home.

Question: What is significant about his childhood?
Self-contained rewrite: What is significant about J. R. R. Tolkien's childhood?