1. The Democrats lost Ted Kennedy’s seat, sending their health-care takeover efforts into a tailspin.

2. The Supreme Court wiped out the central feature of McCain-Feingold, in a victory for free speech.

3. Air America declared bankruptcy.

UPDATE: A reader notes the arrival of this anniversary:

Sec. 3. Closure of Detention Facilities at Guantánamo. The detention facilities at Guantánamo for individuals covered by this order shall be closed as soon as practicable, and no later than 1 year from the date of this order. …
BARACK OBAMA
THE WHITE HOUSE,
January 22, 2009.

UPDATE 2: Another reader points to this:

The timetable to reach a global deal to tackle climate change lay in tatters on Wednesday after the United Nations waived the first deadline of the process laid out at last month’s fractious Copenhagen summit.