~2010 > Google debutes AngularJS

- one of first large scale UI frameworks

- build off of JS

- hugely popular

2016 > Google debute Angular

- large scale UI framework

- build off of TS (new to most developers)

- slowly builds interest in the community

early 2017 > Angular 2 releases

- entirely new engine

- introduced cli

fall 2017 > Angular 4 releases

- huge update

- claimed to be non-breaking update (broke most everything)

- usually, when people say Angular now, they are referring to Angular 4+