After winning pole position (just barely, over Vettel) in Montreal, Ayrton Senna's family presented one of Senna's race helmets to Hamilton at the Senna Corner. This is Hamilton's 65th, and he's now tied with Senna.
My son and I had the good fortune of witnessing this in person.
Other images from qualifying here:
http://bradleymclain.zenfolio.com/p829363257
