Howling:The Cracks damaging the Doctor's timeline?

If the Time Crack did eat the Dalek invasion force and the CyberKing in 1851, wouldn't that constitute a disruption of the Doctor's personal timeline, seeing as how he was actually present on those two occasions? (Actually, regarding the CyberKing incident, I'm not entirely convinced that was a victim of the Crack, but, like the Yetis in the London Underground and the Loch Ness Monster swimming up the Thames, was just brushed under the carpet by the government.) EJA 10:18, April 17, 2011 (UTC)