Tony Bettenhausen won the AAA sanctioned George Robson Memorial 100 Mile race on the 1 Mile Dirt Oval Good Time Park in Goshen, New York. Ted Horn finished second followed by Charles Van Acker, Duke Dinsmore and George Connor.
Tommy Hinnershitz , driving the Hinnershitz #5, won the 30-lap AAA Eastern Sprint Car race on the 1/2 mile dirt Williams Grove Speedway in Mechanicsburg, PA.
Johnnie Parsons won the 25 lap Chicago Auto Racing Association Midget race over Ted Duncan and Paul Russo at the Soldier Field in Chicago, IL.
Tom Vardeman won the IMCA Sprint Car race at the Escanaba Fairgrounds, Escanaba, MI.
Art Cross won the AAA Midget race at the Indianapolis Speedrome, Indianapolis,IN.
Nelson Piquet ... Born ... A Brazilian race driver who was Formula One world champion in 1981, 1983, and 1987. He is one of the few men to win at least three world championships in the history of Formula One (the others being Jack Brabham, Jackie Stewart, Niki Lauda, Ayrton Senna (3 each), Alain Prost (4), Juan Manuel Fangio (5), and Michael Schumacher (7).
Joe James won the AAA Sprint Car race at the Hawkeye Downs Speedway, Cedar Rapids, IA.
Bill Holland won the IMCA Sprint Car race at the Sedalias State Fair Speedway, Sedalia, MO.
Jack McGrath won the AAA Midget race on the 1-mile dirt Wisconsin State Fairgrounds, Milwaukee, WI.
Bobby Grim won the IMCA Sprint Car race at the Steele County Speedway,Owatonna, MN.
Eddie Sachs won the USAC Midget race at the Springfield Speedway, Springfield,IL.
George Fonder won the ARDC Midget race at the Orange County Fair Speedway, Middletown,NY.
Rodger Ward won the USAC sanctioned Springfield 100 on the 1 Mile Dirt Oval Illinois State Fairgrounds in Springfield, Illinois. Jud Larson finished second followed by George Amick, Johnny Boyd and Andy Linden.
Rex Easton won the USAC Midget race at the Kokomo Speedway, Kokomo,IN.
Bill Randall won the ARDC Midget race at the Seekonk Speedway, Seekonk,MA.
Bobby Grim won the IMCA Sprint Car race at the Sedalias State Fair Speedway, Sedalia,MO.
Rodger Ward won the USAC sanctioned Springfield 100 on the 1 Mile Dirt Oval Illinois State Fairgrounds in Springfield, Illinois. A.J. Foyt finished second followed by Don Branson, Roger McCluskey and Johnny Rutherford.
Roger McCluskey won the USAC sanctioned Springfield 100 on the 1 Mile Dirt Oval Illinois State Fairgrounds in Springfield, Illinois. Larry Dickson finished second followed by George Snider, Billy Vukovich Jr and Jim Malloy.
Al Unser won the USAC sanctioned Tony Bettenhausen 200 on the 1 Mile Paved Oval The Milwaukee Mile in West Allis, Wisconsin. Bobby Unser finished second followed by Lloyd Ruby, Mario Andretti and Billy Vukovich Jr.
Fred Offenhauser... Died ... He became a toolmaking machinist with Pacific Electric Railway. In 1913, he went to work for Harry A. Miller, a successful manufacturer of carburetors. Offenhauser helped Miller turn a flood of ideas for racing engines into metal. Engines that began to win races. As early as 1922, an eight-cylinder Miller engine won the Indianapolis 500, as Millers would for nine out of the next 12 years. In 1932, he encouraged Harry Miller to build a 255 cubic inch, four-cylinder racing engine. The powerplant outlived Miller's bankruptcy and went on, in various forms, to win the Indianapolis 500 30 times, twice the Miller nameplates and 28 times with Offenhsauser identification. When Miller lost his business in 1933 and Offenhauser took part of the 18 months in back wages he was owed in the form of machinery, patterns and parts, setting up shop just around the corner from the Miller plant in LA and made parts for the Miller 255. In 1934, to meet the demand for a reliable engine for the new sport of midget racing, Offenhauser had Leo Goosen draw up a much smaller version of the 255. Quickly dubbed "The Mighty Midget," that engine came to dominate midget racing until the rules changed in the 1960s. Fred put his stamp on the big 255 and 270 engines in 1935 and Kelly Petillo won the Indy 500 that year with an Offenhauser. After World War II, Fred sold the business to Lou Meyer and Dale Drake who carried on the Offy engine. Fred died on August 17, 1973. In May of the same year, Johnny Rutherford had put a turbo-Offy on the pole at Indy. Gordon Johncock won the race with another Offy. His engines would win three more 500s before the turbo boost rules brought an end to the Offenhauser dynasty.
Mike Mosley won the USAC sanctioned Tony Bettenhausen 200 on the 1 Mile Paved Oval The Milwaukee Mile in West Allis, Wisconsin. Gordon Johncock finished second followed by Tom Sneva, Wally Dallenbach and Steve Krisiloff.
Buddy Baker won the NASCAR Winston Cup Talladega 500 over Richard Petty at the Talladega Superspeedway, Talladega, AL.
Cale Yarborough won the NASCAR Winston Cup Champion 400 over Neil Bonnett at the Michigan International Speedway, Brooklyn, MI.
Mario Andretti won the Domino's Pizza 500 CART Championship race on the 2.5 Mile Paved Oval Pocono International Raceway, Long Pond, PA. Kevin Cogan was second followed by Pancho Carter, A.J. Foyt and Raul Boesel.
Bill Elliott won the NASCAR Winston Cup Champion 400 over Tim Richmond at the Michigan International Speedway, Brooklyn, MI.
Mark Martin won the NASCAR Winston Cup DeVilbiss 400 over Jeff Gordon at the Michigan International Speedway, Brooklyn, MI.
Chuck Booth ... Died ... USAC driver from the 1960's.
Ryan Newman won the NASCAR Winston Cup GFS Marketplace 400 over Kevin Harvick at the Michigan International Speedway, Brooklyn, MI.