Recently licensed radio amateurs who have been working hard to improve their Morse code proficiency will have a great opportunity to put their improved skills to use on December 21 1800Z Dec 17 to 2359Z Dec 17 http://www.arrl.org/rookie-roundup  

Straight Key Night is held every January 1 from 0000 UTC through 2359 UTC. http://www.arrl.org/straight-key-night

Kids Day always runs from 1800 UTC through 2359 UTC. Operate as much or as little as you like. http://www.arrl.org/kids-day

First full weekend of January, but never on January 1. Begins 1800 UTC Saturday, ends 2400 UTC Sunday. http://www.arrl.org/rtty-roundup

The date will be announced annually by the ARRL but will generally be the third or fourth weekend in January. Begins 1900 UTC Saturday, ends 0359 UTC Monday. http://www.arrl.org/january-vhf