NASCAR has had one guiding principle throughout its 77-year history: keep racing. Fuel crisis? Keep racing. Driver strike? Keep racing. Manufacturers pull out? Keep racing. A legend dies at Daytona?

Daytona International Speedway will host the 67th running of the Daytona 500 Sunday. Here is one fact about each of the first 66 races.

1978: Bobby Allison triumphed ... The Daytona 500 became the official season-opening NASCAR race, a spot on the schedule it still holds. 1983: Cale Yarborough ruined his car during qualifying.