I almost don't remember 2006 except for the Sabres playoff run.
So I did some digging:
Feb 12th - A powerful winter storm blankets the Northeastern United States dumping 1 to 2 feet of snow from Washington DC up to Boston, Massachusetts. The storm dumped a record 26.9 inches of snow in New York City.
Mar 10th - The Mars Reconnaissance Orbiter arrives at Mars.
May 21st - The Swedish ice hockey team Tre Kronor takes gold in the World Championship, becoming the first nation to hold both the World and Olympic titles separately in the same year.
Aug 24th - The International Astronomical Union (IAU) redefines the term "planet" such that Pluto is considered a Dwarf Planet.
Oct 2nd - Five school girls are murdered by Charles Carl Roberts in a shooting at an Amish school in Nickel Mines, Pennsylvania before Roberts commits suicide.
Nov 5th - Saddam Hussein, former president of Iraq, and his co-defendants Barzan Ibrahim al-Tikriti and Awad Hamed al-Bandar are sentenced to death in the al-Dujail trial for the role in the massacre of the 148 Shi'as in 1982.
Dec 30th - Madrid Barajas International Airport is bombed.