One of the ways to "get your blog known to the world", is to list it in blog directories. Bloggeries made an extensive list of blogdirectories, ranked in importance, based on the Trifecta ranking tool.
Here is an extract of the top free blog directories (and their ranking):
You can also check out this list of blog directories featuring The Road to the Horizon.
Check out More Tips and Tricks for bloggers on The Road.