Short answers, pulled from the story.
Pedro Ramírez Vázquez drew the first lines for Estadio Cuauhtémoc in 1965. The architect also designed the nearby Basilica of Our Lady of Guadalupe and the massive Estadio Azteca in Mexico City.
The stadium opened its doors on the 6th of October 1968 during a pre-inauguration event tied to the Summer Olympics. That same year, the venue hosted group matches for the Olympic football tournament.
The stadium hosted Uruguay national team matches during the 1970 FIFA World Cup and returned sixteen years later to host matches for the 1986 FIFA World Cup. Italy played Argentina on the 5th of June 1986 resulting in a 1, 1 tie featuring Diego Armando Maradona.
Construction started in November 2014 but slowed due to the city's rainy season before officials announced work would finish by November 2015. On the 18th of November the stadium reopened during a friendly match against Boca Juniors from Argentina making it the first and only stadium in Latin America with a facade completely covered in ETFE.
Recent renovations increased the official capacity to 51,726 spectators despite attendance exceeding 50,000 on certain occasions. The structure remains the fourth-biggest football stadium in Mexico by total capacity and is also the tallest stadium in the country standing behind only the Estadio Jalisco in Jalisco.