Who was the first britsih queen to be executed?

The first British queen to be executed was Anne Boleyn, the second wife of King Henry VIII. She was executed on May 19, 1536, after being charged with adultery, treason, and incest, although many historians believe these accusations were politically motivated. Her execution marked a significant moment in English history, contributing to the tumultuous changes of the Reformation and the establishment of the Church of England.