United Nations Security Council resolution 1455, adopted unanimously on 17 January 2003, after recalling resolutions 1267 (1999), 1333 (2000), 1363 (2001), 1373 (2001), 1390 (2001) and 1452 (2002) concerning Al-Qaeda, the Taliban and terrorism, the council improved the implementation of measures against the groups. It was the first Security Council resolution adopted in 2003.