The Android Version Story
All the released Android versions list with names. In November 5th 2007 was the first beta version of android released. And now he latest version 50. Lollipop with a lot of improvements and features. The history is a little interesting when it comes to the version names, Find it yourself ..
Android version 1.5 – Cupcake
Android version 1.6 – Donut
Android version 2.0 – Eclair
Android version 2.2 – Froyo
Android version 2.3 – GingerBread
Android version 3.0 – Honeycomb (Designed for Tablets)
Android version 4.0 – Ice Cream Sandwich
Android version 4.1 – Jelly Bean
Android version 4.4 – KitKat
Android version 5.0 – Lollipop (Latest and read about this most secure android release. check out coolest features , android cars)
For more official stuffs : http://www.android.com/history/