On May 23, 1940, David Alfaro Siqueiros, a famous Mexican painter, is said to have attempted to kill Lev Trotsky. At the head of twenty men in the uniforms of soldiers and policemen, he broke through the guards of Trotsky's villa, fired machine guns at the building, and pelted it with dynamite, but both Lev Trotsky and his regular partner Natalia Sedova emerged from the attack unscathed. ¹⁾

The city of Teotihuacan is very old. Its largest pyramid, now called the Pyramid of the Sun, was completed around 100 A.D. These times predate most of the known cultures of Mesoamerica. It is not known who the builders of the city were or what it was really called (the current name comes from the Aztecs, who were more than a thousand years later). The city was home to over 150,000 people, making it one of the largest cities in the world at the time (though far behind Rome). ²⁾

The Mexican Wave, also known as La Ola, is a type of cheering performed by the audience during sporting events. The Estadio Universitario is a football stadium in the Mexican city of San Nicolás de los Garza. It is in this stadium that the so-called Mexican wave was created — this type of cheering was used for the first time on September 18, 1984 during a friendly match between Mexico and Argentina. ³⁾

A sombrero is a tall straw or felt hat with a soft, wide brim. It was used in Spain in the 15th and 16th centuries. From there it made its way to the Spanish colonies in Central and South America. It is the national headgear of Mexicans and Chileans. ⁴⁾

Popocatépetl (also known as El Popo) is an active stratovolcano in Mexico with an elevation of 17,802 ft. It is located southeast of Mexico City. It is the second-highest peak in Mexico after Pico de Orizaba 18,491 ft. The name Popocatépetl is derived from the Aztec language and means “smoking mountain,” referring to the thick clouds of smoke that rise from the crater during times of increased activity. ⁵⁾