The political institution still had to survive public judgment.
That challenge proved harder.
The Portuguese Republican Party had been growing for years before the regicide.
Its strength did not come solely from the two gunmen.
Republican ideas appealed to people who associated monarchy with corruption, failed modernization, colonial humiliation, clerical influence, or political stagnation.
Different republicans emphasized different grievances.
Urban areas, especially Lisbon, contained important republican networks.
Organizations such as the Carbonária added a secretive revolutionary element to the political environment.
The armed forces included officers and sailors whose loyalties could not be assumed permanently.
The monarchy therefore confronted an opposition that was ideological, organizational, social, and increasingly capable of revolutionary action.
Manuel II attempted to perform constitutional kingship within this unstable setting.
He traveled.
He appeared publicly.
He supported national institutions.
He sought to rebuild prestige.
He could not create time.
The monarchy received less than three years after the assassination before revolution arrived.
That limited window makes counterfactual history irresistible.
What if Carlos had survived?
What if Luís Filipe had survived?
What if João Franco’s government had fallen without violence?
What if a different political settlement had emerged?
What if the royal family had traveled in a protected vehicle?
What if security had identified Buíça or Costa before the carriage appeared?
Every assassination generates these questions because the event creates an obvious point at which history could have followed another path.
The difficulty is that no one can prove the alternative.
Carlos surviving would not automatically have saved the monarchy.
Luís Filipe inheriting later would not automatically have produced reform.
A failed assassination might have produced harsher repression and even greater revolutionary anger.
History offers outcomes, not experimental controls.
What can be said is that the regicide removed two political actors who might otherwise have shaped the next years.
That alone made the assassination consequential.
It narrowed Portugal’s possibilities violently.
By October 1910, the monarchy confronted a revolutionary uprising.
Republican forces and sympathetic military elements moved against the regime.
The government could not suppress the revolt effectively enough to preserve the dynasty.
Manuel II left Portugal.
The republic was proclaimed.
The House of Braganza’s constitutional monarchy had ended.
Queen Amélie also went into exile.
The woman who had once crossed Lisbon as queen now belonged to a royal family without a throne.
This creates another reason the bouquet became symbolically powerful.
The flowers represented the last moment in which Amélie physically tried to defend her family while they still occupied the center of Portuguese royal power.
She could not defend the monarchy with them.
No individual could.
Political systems collapse for reasons much larger than one moment of courage.
However, the object survived in collective memory precisely because it provided a human scale for a political disaster.
The Portuguese monarchy ended through revolution in 1910.
Its psychological death is sometimes dated earlier.
Some historians see the 1908 regicide as the point from which recovery became extraordinarily difficult.
That interpretation deserves nuance.
The monarchy continued to function.
The new king was not universally despised.
The republicans still had to organize and act.
Nevertheless, assassinating both the sovereign and his heir inflicted damage no normal cabinet change could repair.
The crown now carried the image of vulnerability.
A monarchy depends partly on continuity.
The regicide revealed discontinuity violently.
The revolution two years later completed what the bullets had begun without making the two events identical.
The queen lived for decades after losing her husband and elder son.
That longevity meant she outlived not only the monarchy but many of the political conflicts that had surrounded it.
She experienced exile and the transformation of Europe through the First World War and beyond.
Her younger son Manuel II also lived in exile and died in 1932 without children.
Amélie died in 1951.
By then, Portugal had passed through the First Republic and into a very different authoritarian political order.
The Lisbon she had known as queen belonged to another age.