Name The Year: Japanese forces on Okinawa surrender to US during WW II?

Questions

In 1902 Ogden---------- , American humorous poet (I'm a Stranger Here Myself), born ?

In 1942 First American offensive in Pacific in WW2, ---------- , Solomon Is. ?

In 1942 First American pilot to shoot down German fighter plane, SF---------- . ?

In 1950 American network ---------- begins the tradition of Saturday morning kid shows. ?

In 1960 ---------- Gary Powers convicted of spying by USSR (U-2 incident). ?