Rearranging the letters of 'Memorial Day Celebration' gives:
Artillery made a nice boom.
(by Mike Mesterton-Gibbons by hand) (2011) (pending approval)
Other related anagrams without their own page:
"Memorial Day Celebrations" -> "American soldier by ol' team." (by Mike Mesterton-Gibbons by hand) (2011) (pending approval)
"Memorial Day Celebrations" -> "To blame American soldiery?" (by Mike Mesterton-Gibbons by hand) (2011) (pending approval)
"Memorial Day Celebrations" -> "To be manly America soldier?" (by Mike Mesterton-Gibbons by hand) (2011) (pending approval)
"Obama Speaks with "Deep Humility" on Memorial Day" -> "O, hie mob, pay empathy to maimed/killed in USA wars!" (by Aronas Pinchas) (2008) (pending approval)
"Regional Memorial Day Services" -> "A valid armies glory ceremonies." (by Aronas Pinchas) (2008) (pending approval)