Question: when was the last star added to the united states flag
Answer: United States of America Names The American flag , The Stars and Stripes ; Red , White , and Blue ; Old Glory ; The Star - Spangled Banner ; US flag ; United States flag Use National flag and ensign Proportion 10 : 19 Adopted June 14 , 1777 ( original 13 - star version ) July 4 , 1960 ( current 50 - star version ) Design Thirteen horizontal stripes alternating red and white ; in the canton , 50 white stars of alternating numbers of six and five per horizontal row on a blue field