In 2014, Tim Leeming posted about the March 25, 1967 Greenville 200 GN race at Greenville-Pickens Speedway.
http://racersreunion.com/community/forum/stock-car-racing-history/31461/racing-history-minute-march-25-1967
Eleven years earlier, all sorts of NASCAR racing was happening on March 25, 1956.
Ralph Earnhardt won a late model feature at Hickory Speedway. Fans got to see 12 lead changes in the 40-lap race!
NASCAR Hall of Famer, Cotton Owens, won the modified-sportsman race at Charlotte Speedway.
Orange Speedway in Hillsboro NC hosted NASCAR's convertible division for a 100-lap race. - Poster from Don Smyle photos.
http://racersreunion.com/don-smyle/gallery/40569/poster-1956-convertible-race
Curtis Turner won the pole and led 85 of the race's 100 laps to take the win. Gwyn Staley led the remaining 15 laps during the middle portion of the race, but brake issues forced him to whoa up a bit. Joe Weatherly took second as Staley faded to third.
The GN drivers raced at Lakewood Speedway near Atlanta. Tim Flock captured the pole for the 100 lap race, and he led the first 49 laps in his Cark Kiekhaefer Chrysler. But engine failure ended his day and dropped him to 18th place with a DNF.
Flock's teammate, Buck Baker, had a poor starting spot. But he rallied from 23rd at the drop of the green to take over the race when Flock had his problem. Baker led the remaining 51 laps to take the win.
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updated by @tmc-chase: 03/24/17 11:58:13AM