Android_version_history

Code Name	Version Number	Kernel Version
Gingerbread	2.3 ~ 2.3.7	2.6.35
Honeycomb	3.0 – 3.2.6	2.6.36
Ice Cream Sandwich	4.0 – 4.0.4	3.0.1
Jelly Bean	4.1 – 4.3.1	3.0.31 to 3.4.39
KitKat	4.4 – 4.4.4	3.10
Lollipop	5.0 – 5.1.1	3.16
Marshmallow	6.0 – 6.0.1	3.18
Nougat	7.0 – 7.1.2	4.4
Oreo	8.0 – 8.1	4.10
Pie	9.0	4.4.107, 4.9.84, and 4.14.42

ref: Android_version_history