Short answers, pulled from the story.
Lambeau Field opened on the 29th of September 1957, as City Stadium, informally called New City Stadium to distinguish it from the older City Stadium at Green Bay East High School. It was renamed Lambeau Field by the Green Bay city council on the 3rd of August 1965, two months after the death of Packers founder Curly Lambeau.
Lambeau Field has a seating capacity of 81,441, making it the second-largest stadium in the NFL. It is also the largest venue in the state of Wisconsin, edging out Camp Randall Stadium in Madison, which holds 75,822.
The nickname traces to the Ice Bowl game on the 31st of December 1967, played at -15 degrees Fahrenheit against the Dallas Cowboys. Journalist Tex Maule used the word tundra in a Sports Illustrated article about the game, and the phrase "the frozen tundra" is believed to originate from highlight films of the game written by Steve Sabol.
Safety LeRoy Butler spontaneously created the Lambeau Leap on the 26th of December 1993, when he jumped into the end zone stands after scoring following a Reggie White fumble recovery against the Los Angeles Raiders. Wide receiver Robert Brooks later popularized the celebration.
Lambeau Field became the oldest continually operating NFL stadium in 2007, when the Packers completed their 51st season there, breaking the record previously set by the Chicago Bears at Wrigley Field, where the Bears played from 1921 through 1970.
The renovation cost $295 million. Funding came from a 1997-98 Packers stock sale that netted more than $20 million, a 0.5% sales tax in Brown County approved by voters on the 12th of September 2000, by a 53%-47% margin, and personal seat license fees on season ticket holders. The sales tax expired on the 30th of September 2015.