Today in History

What happened today in history? Important events, births and deaths.

15 June 2025

U.S. - Mexico War: California Declares Independence

Historical Importance and Background

In 1846, American settlers in California declared their independence from Mexico. This event, which took place as part of the Bear Flag Revolt, led to the establishment of the California Republic. However, this republic could only maintain its existence for a short period and was annexed by the United States in the same year.

Development of the Event

Bear Flag Revolt

American settlers in California opposed Mexico's control over California and declared independence. They created a flag symbolizing the Bear Flag and initiated their rebellion.

Establishment of the California Republic

Following the revolt, American settlers declared the California Republic and established a temporary government. William B. Ide was elected as the president of this republic, and independence was declared.

Annexation by the United States

In 1846, the United States, recognizing the strategic importance of California, decided to annex the region. As a result of this process, California joined the United States, and the war with Mexico continued.

Results and Effects

The Bear Flag Revolt and the declaration of independence by California led to political and social changes in the region. While American dominance increased in the short term, the demographic and cultural structure of California changed in the long term with its annexation to the United States.

Historical Importance and Contemporary Reflections

This event marks a significant milestone not only in California's annexation to the United States but also in America's westward expansion. Today, California continues to exist as one of the largest and most influential states in the United States. The Bear Flag Revolt is remembered as a significant resistance movement in American history.

Frequently Asked Questions


Historical Importance and Background


In 1846, American settlers in California declared their independence from Mexico. This event, which took place as part of the Bear Flag Revolt, led to the estab...

U.S. - Mexico War: California Declares Independence 1846 took place in

U.S. - Mexico War: California Declares Independence happened in United States

U.S. - Mexico War: California Declares Independence is a historically significant event that 1846 marked an important turning point in world history