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Queen Elizabeth II marks 63-year milestone

Name: Queen Elizabeth II marks 63-year milestone
Uploaded: 2015-09-09T18:56:00-0400
Duration: 2 min 49 s
Description: Queen Elizabeth II became the United Kingdom's longest reigning monarch Wednesday. CBS News correspondent Mark Phillips looks back at her decades of service.

Queen Elizabeth II became the United Kingdom's longest reigning monarch Wednesday. CBS News correspondent Mark Phillips looks back at her decades of service.