See my previous posts on Presidential Proclamations dating of the designated event in explicitly Christian terms and from the Declaration of Independence. Despite professed good intentions, the alteration in fact makes the honored Jewish Heritage Month less included for political purposes. And such a feeling (and reality) of inclusion is what a presidential proclamation is intended to bring about. Of course, the next move will be to drop the Proclamation dating system--and separate Proclamations from the Constitution's original dating language and the Constitution.
Can you imagine George Washington's Touro Synagogue letter rewritten by the Obama White House? Do the descendants of those Americans feel less secure than their spiritual ancestors? "May the children of the stock of Abraham who dwell in this land continue to merit and enjoy the good will of the other inhabitants--while every one shall sit in safety under his own vine and fig tree and there shall be none to make him afraid."