SIMPLE PAST (I DID)
Study this situation:
Michelangelo was born in Tuscany, to Ludovico di Leonardo di Buonarotto Simoni and Francesca Neri. When Michelangelo turned 13, he became an apprentice to the painter Domenico Ghirlandaio. Michelangelo went on to study sculpture in the Medici gardens was invited into the household of Lorenzo de' Medici, the Magnificent. He met the young Medici, two of whom later became popes (Leo X and Clement VII). He got permission to study human anatomy/corpses but contact with the dead bodies caused problems with his health.
Was/ turned/ became/ went/ invited/ met/ got/ caused are all simple past.
Simple Past tense describes an action, which began and ended before the present (A complete act).
Examples:
James raised vegetables and later sold them.
Barbara taught for ten years.
The school principal announced the winners for the essay contest.
We visited the museum yesterday.
I passed my exam because I studied very hard.