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The longest 4th down conversion in NFL history is a 4th and 26 play by the Philadelphia Eagles in a 2004 playoff game against the Green Bay Packers. The Eagles converted the 4th down and went on to win the game.
In football, you have 4 down or attemps to get so many yards, a third down conversion is where you failed to get the amount of yards on first down and second down then reach it on the third, making it first down again
The longest 4th down conversion in NFL history was a 4th and 26 play by the Philadelphia Eagles in a playoff game against the Green Bay Packers on January 11, 2004. Quarterback Donovan McNabb completed a 28-yard pass to Freddie Mitchell to convert the crucial 4th down.
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The longest first down in NFL history was achieved by Jim Leonhard of the Baltimore Ravens in a game against the Cincinnati Bengals in 2008. On 4th-and-29, Leonhard caught a pass and ran for 30 yards to convert the first down.
1st down and 99
The longest NFL first down and goal distance is 99 yards. The goal line is located at the end of the football field, so it remains the same distance of 10 yards from the line of scrimmage regardless of the field position.
Scroll down to related links and look at "Conversion of units - Wikipedia".
Rita is the third longest after emily been the second longest and ken been the first longest
The first person to invent the barometer. Since it was the first one, it was also the first "longest" one (and the first "shortest" one as well).