2001 Belgian Grand Prix
... that Luciano Burti's 111G crash at the 2001 Belgian Grand Prix led to a ban on creating holes in racing helmets for drinking tubes and radio communication wires?
... that <a href="./Luciano_Burti" id="mwAlM" rel="mw:WikiLink" title="Luciano Burti">Luciano Burti</a>'s 111<a href="./G-force" id="mwAlQ" rel="mw:WikiLink" title="G-force">G</a> crash at the <b id="mwAlU"><a href="./2001_Belgian_Grand_Prix" id="mwAlY" rel="mw:WikiLink" title="2001 Belgian Grand Prix">2001 Belgian Grand Prix</a></b> led to a ban on creating holes in racing helmets for drinking tubes and radio communication wires?