This week is filled with commemorative days regarding U.S. history, a utility facing sentencing for California’s most deadly and destructive wildfire, and more.Here’s what you need to know. Flag Day is SundayThe annual day commemorates the adoption of the Stars and Stripes as the official flag of the U.S. The Continental Congress approved that flag design in 1777.PG&E sentencing is TuesdaySentencing will take place for