How and when queen became queen?

After Queen Victoria died her son Albert Edward became King. Therefore the Queen was Victoria's daughter in law Alexandra became Queen.

If you're referring to Queen Elizabeth II of the United Kingdom (aka the Queen, the little old lady in the funny outfits with the corgis), she became Queen because her father was King George VI...

One assume you mean Elizabeth I or Elizabeth Tudor. She, who had no children, was succeeded by James I, who was the son of the murdered Mary, Queen of Scots ( executed 1587) James" wife was Anne of...

Her father King george VI died, so she was next in line to become the Queen

Queen Victoria became Queen in 1837 shortly after her 18th birthday. She became Queen because she was granddaughter of King George III. Her father was Edward, Duke of Kent and while several Aunts...