Kaien's Year of birth: 53
Third Ninja war starts: 64
Ends: 70
Minato Kamikaze
Year of birth: 51
Entering ninja school:57 - 6 years old
Graduated:60 - 9 years old
Saving Kushina:59 or 60
Chunin:62 - 11
Jonin: 64 - 13
Relationship confirmation: between 66 to 68 15 to 17 years old
Hokage: 70 - 19 years old
Naruto was born: 72 - 21
Uzamaki Kushina
Year of birth: 52
Entering ninja school /konoha:57 or 58 - 5 or 6 years old
Kushina was kidnapped: 59 or 60
Graduated:62 - 10 years old
Relationship confirmation: between 66 to 68 14 to 16 years old
Married Minato: 70 - 19 years old
Naruto was born: 72 - 20
Hatake Kakashi
Year of birth: 59
Graduated:64 - 5 years old
Chunin:65 - 6
Jonin: 70 - 11 years old
Obito's "death" : 70 - 11 years old.
Rin's death: 70 - 11 years old.
Minato became Hokage: 70 - 11 years old
Naruto was born: 72 - 13
Start of Anime : 84 - 25