Remember the first half of the poem. There is a common nursery rhyme used to teach children the days in the months. The first line reminds you how many months contain 30 days. The first line goes, 30 days have September, April, June, and November.. You can remember, based off this line, that September, April, June, and November each have 30 days.
Overwolf is a software platform created by Overwolf Ltd. which allows developers to create extensions (called applications by Overwolf Ltd.) for video games, which are then offered to users through Overwolf's App Store.
Airwolf is the helicopter from the 1980s American eponymous television series. Its fictional features included stratospheric ceiling, stealth noise signature, a wide range of weapons and even supersonic speed. Airwolf was in fact a conventional Bell 222 helicopter modified by attaching some film props.