A left-aligned horizontal line:

Edit code and click me	Your Result (Some examples do not work in Google Chrome):
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> </head> <body> <p>This is some text. This is some text. This is some text.</p> <hr align="left" width="50%" /> <p><b>Note:</b> The align attribute was deprecated in HTML 4, and is not supported in HTML 4.01 Strict DTD or in XHTML 1.0 Strict DTD. Use CSS instead.</p> </body> </html>
Edit the code above and click to see the result	www.xhtml.co.il - Try it yourself