My best guess is 1946 based on the website below that references Hudson's "63 year history".
http://tiptopwebsite.com/websites/index2.phpusername=hudsonspeedwayinfo&page=22
The first year the Indy 500 was ran was 1911.
The Indy 500 in 1911 and the Brickyard 400 in 1994.
The first female driver was Sara Christian, racing in the inaugural NASCAR race at Charlotte Speedway on June 19, 1949.
technically, the race is held in Speedway, Indiana...
Ralph Earnhardt's first Nascar race was on November 11, 1956. It was the Buddy Shuman 250 at Hickory Speedway.
Jeff Gordon won his 85th Nascar Cup Series race on September 6, 2011.It was the AdvoCare 500 at Atlanta Motor Speedway.
Daytona International Speedway - Budweiser Shootout Daytona International Speedway - Gatorade Duel #1 At Daytona Daytona International Speedway - Gatorade Duel #2 At Daytona Daytona International Speedway - Daytona 500
While there was no NASCAR speedway built in a single year Both Kansas and Chicagoland speedways opened in 2001. They both started construction in 1999. Kansas had there first race in spring of 2001 and Chicagoland finish construction in spring of 2001.
Yes, Kyle is going to drive a race car with the pink paint scheme this year (2010) at Chicagoland Speedway.
Dover International Speedway became Nascar's first concrete paved track in 1995.
The sanctioning body hosted its first event at Daytona Beach on February 15, 1948. Red Byron beat Marshall Teague in the Modified division race. Byron won the 1948 national championship. Things had changed dramatically by 1949, and the Strictly Stock division was able to debut with a 20-mile (32 km) exhibition in February near Miami.For a more in depth explanation, click on the links below.More information:The First NASCAR Sprint Cup RaceThe first "strictly stock" series event (strictly stock would eventually go on to become the Sprint Cup Series) was held on June 19th, 1949. This race was held at Charlotte Speedway, a 3/4 mile dirt track in Charlotte, NC.
Bobby Allison won the 1988 Daytona 500, with his son, Davey, finishing in second place. The race was held at the Daytona International Speedway.