ArticleslgStudy

science

Nogales, Sonora

Nogales, Sonora is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Nogales, Sonora rather than just read about it. In short: Nogales, also known formally as Heroica Nogales (Spanish pronunciation: [eˈɾojka noˈɣales]), is a city in the Mexican state of Sonora. It is located in the north of the state on the U.S. border, and is abutted on its north by the city of Nogales, Arizona.

Nogales, Sonora — main illustration
Nogales, Sonora — illustration

Key takeaways

  • Nogales, Sonora belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Nogales, Sonora to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Nogales, Sonora from memory before moving on to harder problems.

Reference excerpt

Nogales, also known formally as Heroica Nogales (Spanish pronunciation: [eˈɾojka noˈɣales]), is a city in the Mexican state of Sonora. It is located in the north of the state on the U.S. border, and is abutted on its north by the city of Nogales, Arizona. It serves as the seat of the surrounding municipality of Nogales. The name Nogales is the Spanish term for "walnut trees". The municipality reported a population of 264,782 in the 2020 census. By 2024, the city had been estimated to have surpassed 300,000 inhabitants.

History The independent Nogales Municipality, which included the town of Nogales, was established on July 11, 1884. The municipality of Nogales covers an area of 1,675 km2. Nogales was declared a city within the municipality on January 1, 1920.

Battle of Ambos Nogales

The international trade that existed between Nogales, Sonora, and Nogales, Arizona, greatly propelled the economic development of Heroica Nogales, and the greater Northern Sonora region, but that did not prevent significant problems from forming in the area after the outbreak of the 1910 Mexican Revolution.

On August 27, 1918, at about 4:10 pm, a gun battle erupted unintentionally when a Mexican civilian attempted to pass through the border, back to Mexico, without checking in at the U.S. Customs house. After the initial shooting, reinforcements from both sides rushed to the border. On the Mexican side, the majority of the belligerents were civilians upset with the killings of Mexican border crossers by the U.S. Army along the vaguely defined border between the two cities during the previous year (the U.S. Border Patrol did not exist until 1924). For the Americans, the reinforcements were 10th Cavalry and 35th Infantry soldiers, and civilians. Hostilities quickly escalated and several soldiers were killed and others wounded on both sides. The mayor of Nogales, Sonora, Félix B. Peñaloza, was killed when waving a white truce flag or handkerchief with his cane.

Due in part to the heightened hysteria caused by World War I, allegations surfaced that German agents fomented this violence and died fighting alongside the Mexican troops it was claimed they led into battle. U.S. newspaper reports in Nogales prior to the battle of August 27, 1918, documented the departure of the Mexican garrison in Nogales, Sonora, to points south that August in an attempt to quell armed political rebels. Furthermore, an investigation by Army officials from Fort Huachuca, Arizona, could not substantiate accusations of militant German agents in the Mexican border community and instead traced the origins of the violence to the abuse of Mexican border crossers in the year prior to the Battle of Ambos Nogales. The main result of this battle was the building of the first permanent border fence between the two cities of Nogales. Though largely unheard of in the U.S. (and even within most of Mexico), the municipal leaders of Nogales, Sonora, successfully petitioned Congress in 1961 to grant the border city the title of "Heroic City", leading to the community's official name, Heroica Nogales, a distinction shared with the Sonoran cities of Guaymas, Caborca, Cananea and Ures, and a number of other cities in Mexico.

Escobarista Rebellion Early in March 1929, the Escobarista Rebellion exploded in Nogales, sponsored by Obregonistas, supporters of President Álvaro Obregón, who had been assassinated on July 17, 1928. General Manuel Aguirre, commanding the rebellious 64th Regiment, took power without firing a shot, causing federales from Naco to send a daily airplane to attack the rebels. It dropped a few bombs over Nogales without doing any damage, while the rebels fought back with machine guns from the roofs without doing any damage to the airplane. There was only one casualty, a woman who was scared by a bomb explosion and had a heart attack. That same month, a hooded man appeared at night driving a tank on Morley Street on the U.S. side, then entered Mexico to help the federales in Naco. It seems that the tank had been bought in 1927 for fighting the Yaquis, but U.S. officials prohibited it from leaving the U.S., and it had been kept in a warehouse in Nogales, Arizona.

Climate

Nogales has a semi-arid climate (Köppen: BSk) with hot summers and cool winters, often presenting freezing temperatures.

… excerpt ends here. Continue reading the full article.

Illustrations

Nogales, Sonora illustration
Nogales, Sonora illustration
Nogales, Sonora illustration
Nogales, Sonora: Panoramic view of the city of Nogales, Sonora, circa 1905
Panoramic view of the city of Nogales, Sonora, circa 1905
Nogales, Sonora: The tomb of Félix B. Peñaloza (Mayor of Nogales, Sonora, in August 1918) at the Panteón de los Héroes, Nogales, Sonora
The tomb of Félix B. Peñaloza (Mayor of Nogales, Sonora, in August 1918) at the Panteón de los Héroes, Nogales, Sonora

Worked examples

Example 1 — a first encounter with Nogales, Sonora

Start with the simplest possible case. Write down what Nogales, Sonora claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Nogales, Sonora before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Nogales, Sonora ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Nogales, Sonora

In research
Nogales, Sonora appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Nogales, Sonora in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Nogales, Sonora is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1884 establishments in Mexico, Divided cities, Nogales, Sonora, so understanding it makes those chapters shorter.
In everyday life
Look for Nogales, Sonora outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Nogales, Sonora” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Nogales, Sonora in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Nogales, Sonora means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Nogales, Sonora out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Nogales, Sonora in simple terms?

Nogales, also known formally as Heroica Nogales (Spanish pronunciation: [eˈɾojka noˈɣales]), is a city in the Mexican state of Sonora. It is located in the north of the state on the U.S. border, and is abutted on its north by the city of Nogales, Arizona.

Why does Nogales, Sonora matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Nogales, Sonora?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Nogales, Sonora.

Tags

  • 1884 establishments in Mexico
  • Divided cities
  • Nogales, Sonora
  • Populated places in Sonora
  • Populated places in the Sonoran Desert
  • Twin cities

Keep exploring