<pre>text</pre> Preformatted text. Appears as a fixed-width font (courrier new) and suddenly regular line breaks start showing up! (not all "white space" is treated equally).
<br> Line break; carriage return; new line.
<p> Paragraph break (two lines).
<b>text</b> Bold text.
<i>text</i> Italian text.
<center>text</center> Centered text.
<hr> Horizontal rule (line). You can also specify a width in pixels or percent.
<hr width=50%> or <hr width=350>
<font size=2>text</font>

Sets text to size 2 which is usually near the default text size. Values between 1 and 7 are allowed.

<font color=#ffffff>text</font> Sets the colour of the font (in this case white). Size and color can be combined.
<font size=3 color=red>text</font>
<font face="arial, helvetica">text</font> Sets the font. If the first cannot be found, the next on the list will be tried. (The face=something can be combined with other font attributes, like the example above with size and color)
<a href="http://www.canvasmontreal.com/">go to canvas</a> This is a link, the "go to canvas" will appear blue and underlined and go to the address specified when clicked.

If you want the new site to open in a new window try this:
<a href="http://www.canvasmontreal.com" target=_blank>go to canvas</a>