The Israeli War of Independence ends: Emissaries from Israel and Syria sign an armistice to end hostilities but do not recognize each other diplomatically. 

       NOTE: Previously, Israel signed similar armistices with Egypt (February), Lebanon (March) and Jordan (April).  Iraq has never officially terminated the conflict.

       [added 5/17/2025]

Subsequent Events:

References:

Current U.s. National Debt:

$36,214,501,400,213

Source