Imagine a country where the government changes every few months, the army feels humiliated, and millions of farm workers own no land at all. That was Spain in the early 1920s.
Spain looked like a democracy on paper. It had a king, Alfonso XIII, and an elected parliament called the Cortes. But underneath, the system was rotten.
- Political factor — governments rarely lasted long; a small elite of landowners and local bosses (a system called caciquismo) rigged elections in the countryside, so ordinary voters had little real power.
- Social factor — landless peasants in the south lived in poverty while a few families owned vast estates; industrial workers in cities like Barcelona were drawn to anarchist and socialist unions; Catalonia and the Basque Country wanted more self-rule.
- Economic factor — Spain's economy was still mostly agricultural and had not modernised the way Britain or Germany's had; this left little cushion when hard times came.
- Military factor — the army was humiliated by defeats in Spain's colonial war in Morocco, especially the disaster at Annual in 1921, where thousands of Spanish troops were killed.
Why this matters for cause and consequence: None of these problems alone would have destroyed Spanish democracy. It was the combination — weak government, social anger, economic backwardness, and military resentment — that created the conditions for a takeover. Keep this list in mind: you will see the same ingredients resurface again in 1936.
In September 1923, General Miguel Primo de Rivera led a coup with King Alfonso XIII's approval. He promised to fix Spain's problems in ninety days. He stayed in power for over six years.
1923 — seizes power
Primo de Rivera suspends the constitution, dissolves parliament, and rules with army backing and the king's blessing.
1923–1929 — early success
He ends the Moroccan war favourably, builds roads and dams, and Spain enjoys a short economic boom.
1929–1930 — collapse
The Great Depression hits, the army turns against him, and the king withdraws support. Primo de Rivera resigns in January 1930.
Seize, succeed, sink — a dictatorship built on borrowed time collapses once its backers walk away.
The debate: did the dictatorship help or hurt Spanish democracy?: One argument says Primo de Rivera's regime postponed Spain's real problems rather than solving them — inequality and regional tension were never addressed, only silenced. The opposing argument stresses that his fall also dragged the monarchy down with him, since Alfonso XIII was now seen as complicit in ending democracy. A strong essay can use both: the dictatorship deepened the crisis it claimed to fix, and its collapse destroyed the monarchy's credibility too.
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After Primo de Rivera fell, the king tried to rule normally again — but it was too late. In April 1931, municipal elections showed huge support for Republican candidates in Spain's cities.
Alfonso XIII left the country rather than risk a civil war over the throne. On 14 April 1931, Spain became the Second Republic.
Significance: a democratic experiment under pressure: The Second Republic tried to fix everything at once — land, religion, the army, and regional identity. That ambition is exactly why it became so unstable: every reform created a group of losers determined to reverse it.
The first government (1931–1933) was led by Manuel Azaña, a Republican who worked with the Socialists. His coalition pushed through sweeping reforms.
| Reform area | What Azaña's government did | Who it angered |
|---|---|---|
| Land | Began redistributing large estates to landless peasants | Wealthy landowners |
| Army | Cut the huge officer corps and reduced military privilege | Many army officers |
| Church | Separated Church and state; restricted Church schools and the Jesuits | Catholic conservatives |
| Regions | Granted Catalonia a statute of autonomy | Spanish nationalists |
Each reform was reasonable on its own. Together, they alarmed almost every powerful group in Spain at the same time — landowners, the army, the Church, and nationalists all felt under attack.
In the 1933 election, voters swung right. A new Catholic-conservative party, CEDA, led by José María Gil-Robles, became the largest single party, and formed governments with the Radical Party (1933–1935) — a period nicknamed the 'Right-wing Biennium' that rolled back many of Azaña's reforms.
Why Gil-Robles frightened the left: Gil-Robles never openly said he wanted to destroy the Republic. But he refused to fully commit to democracy either, and CEDA's youth wing used fascist-style salutes and rallies. The left remembered how Austria's Chancellor Dollfuss had used a similar Catholic-conservative party to crush democracy in 1934 — and feared Gil-Robles wanted the same in Spain.
That fear exploded in October 1934, when CEDA ministers joined the government. Socialists and miners in Asturias rose in an armed uprising, which the army — including troops led by Franco — crushed brutally. Trust between left and right was now almost gone.
The left's view of 1931–1936
- Azaña's reforms were overdue and moderate, not revolutionary
- CEDA's rise looked like Spain's own version of fascism creeping in
- The right used the army and courts to block change, not persuasion
- Asturias 1934 was a desperate defensive reaction to a real threat
The right's view of 1931–1936
- Azaña's reforms attacked property, faith, and national unity too fast
- The Republic tolerated disorder — strikes, church burnings, land seizures
- CEDA was a legal, elected party working within the constitution
- Asturias 1934 proved the left would use violence to get its way
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By 1936, Spain was more divided than ever. In February, a new election forced voters to pick a side.
On the left, Republicans, Socialists, and Communists put aside their differences and formed the Popular Front, an alliance built to keep the right out of power.
How the Popular Front won: The Popular Front narrowly won more votes than the right, but Spain's electoral system gave the winning coalition in each area bonus seats. So a close result in votes turned into a much bigger majority in seats — 1936 looked like a decisive left-wing win, even though the country was almost evenly split.
Azaña returned to government, and the new government released political prisoners from the 1934 rising, reinstated the Catalan statute, and restarted land reform. But it struggled to control events on the ground.
- Rising violence — street clashes between left and right militias, and both sides attacked each other's newspapers, offices, and members.
- Land seizures — peasants in some areas simply occupied estates rather than waiting for the slow reform process.
- Right-wing fear — landowners, the Church, and the army increasingly believed the Republic could not or would not stop this disorder.
- Political assassination — in July 1936, right-wing monarchist leader Calvo Sotelo was murdered by government police officers, avenging the killing of a left-wing officer. This shocked the right and convinced many plotting generals the moment to act had come.
That plot had actually been building for months. Generals including Emilio Mola and José Sanjurjo had been organising a coordinated military coup across Spain's garrisons, planning to seize power before the Popular Front could go further.
On 17–18 July 1936, the coup began — first in Spanish Morocco, then spreading to garrisons across mainland Spain.
Why the coup became a civil war, not a quick takeover: A coup only works if it wins fast and everywhere. This one didn't. It succeeded in much of the countryside and in cities like Seville and Burgos, but failed in Madrid and Barcelona, where workers' militias, armed by the government, and loyal police fought the rebels off. Spain split into two zones — Nationalist and Republican — with neither side strong enough to win quickly. A coup had become a civil war.
Amid the chaos, one general rose above the rest. Sanjurjo, the plot's intended leader, died in a plane crash returning to Spain days after the coup began. Francisco Franco, commanding the battle-hardened Army of Africa, ferried his troops to the mainland with help from German and Italian aircraft.
In September–October 1936, the rebel generals' junta named Franco Head of State and Generalissimo — sole commander of the Nationalist war effort and, eventually, dictator of Spain for the next thirty-nine years.