The past simple verb tense is used when:
The action happened in the past
The action/event is completed /finished at the time of speaking.
The time or/and place is stated or understood.
The length of the event/action is not important.
Examples:
- I went to the school.
- We did not not to the English class today.
- They did eat lunch at school.
Note:In English, following phrases are often used with the Past Simple Tense to define time:
yesterday last year
last night two years
last month ago
many years ago a long time ago