The document discusses using the past simple tense to talk about when people were born in the past. It provides examples of using "was/were born" with different subjects like she, he, they, you, we. It also discusses asking questions using "when" to inquire about someone's date of birth, including examples questions like "When were you born?" and "Where were you born?". Finally, it provides examples of answering questions about specific birthdays by mentioning the month, date, and time of birth.