Tiffany Floyd charged in death of Maya Young on Feb. 20
Maya Young fatally stabbed on Feb. 20
Philadelphia officials criticize marchers who mocked Caitlyn Jenner
Kathryn Knott acquitted on most serious charges
Police allege Pedro Redding among four who attacked Jenkins
Police say men attacked, shot Kiesha Jenkins in back
Gay NYC councilmen among 20,000 who attended
Authorities warn residents, visitors to prepare for street closures
Summer festival returns for 10th anniversary season
First 'annual reminder' took place at Independence Hall on July 4, 1965
