Jamie Squire-Hulton Archive
12 Feb 1999: Dale Earnhardt Jr.(L) stands with Dale Earnhardt Sr. during the I.R.O.C Race at the Daytona Speedweek in Daytona, Florida. (Jamie Squire /Allsport)
Happy 39th Birthday to Dale Earnhardt Jr.! With 19 wins in 499 career Cup starts, there have been plenty of memorable Junior moments. On this "Throwback Thursday", let's take a little trip down memory lane.
DAYTONA BEACH, FL - FEBRUARY 4: Dale Earnhardt Sr. & Dale Earnhard, Jr. pose together at the raceway in Daytona Beach, Florinda on February 4, 2001. The Earhnardts and Andy Pilgram earned second in the GTS category during the 2001 Rolex 24 Hours of Daytona. (Photo by ISC Archives via Getty Images)
RICHMOND, VA - FEBRUARY 22: Dale Earnhardt Jr. sits atop a camper watching the race during the Richmond 400 race on February 22, 1981 at the Richmond Fairgrounds Raceway in Richmond, Virginia. (Photo by Dozier Mobley/Getty Images)
Dozier Mobley-Hulton Archive
HAMPTON, GA - NOVEMBER 22: Dale Earnhardt celebrates winning the Winston Cup Championship for 1987 with car owner Richard Childress, left, wife Teresa Earnhardt and son Dale Earnhardt Jr. on November 22, 1987 at the Atlanta International Raceway in Hampton, Georgia. (Photo by Dozier Mobley/Getty Images)
RICHMOND, VA - FEBRUARY 25: Dale Earnhardt Jr. sitting on a tire in pit row during the Pontiac Excitement 400 race on February 25, 1990 at the Richmond Fairgrounds Raceway in Richmond, Virginia. (Photo by Dozier Mobley/Getty Images)
1999: Dale Earnhart, Jr.'s team flashes the "two" sign from Victory Lane in 1999. Winning his first NASCAR Busch Series Championship in 1998 was nice, but winning agin in 1999 was even better for Dale Earhardt, Jr. who stands next to his dad Dale Earnhardt. (Photo by ISC Archives via Getty Images)
HAMPTON, GA - NOVEMBER 3: Dale Earnhardt Jr. gives the camera a smile with his father. (Photo by: Racing Photo Archives/Getty Images)
Jamie Squire-Getty Images North America
21 Oct 2001: Dale Earnhardt Jr. celebrates with his team in Victory Lane after winning Sunday's EA Sports 500 at Talladega Superspeedway in Talladega, Alabama. Digital Image. (Jamie Squire/ALLSPORT)
No doubt Junior Nation is celebrating too. Speaking of Junior Nation, why are some fans so obsessed with Earnhardt Jr.?
Relive the memories with some of Dale Jr.'s biggest career wins:
For more photos of Earnhardt Jr. through the years, head over to FOXSports.com: http://bit.ly/16zhFTO