Tonight (Thursday) and tomorrow (Friday- erev shabbos) is 11 Nissan, the yarzeit of the Shelah Hakadosh, zechuso yagen aleinu.
This is a good chance to say the tfilla he wrote, the parents prayer for children, which can be said anytime (and is often said, in addition to other times, on Erev osh Chodesh Sivan). Gut Shabbos and Chag Kosher V'Sameach.
[link=http://www.shemayisrael.co.il/orgs/key/shlokey.htm]To say his Tefillah, click below on the blue 'to read more', and then click here.[/link]