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35,000 BCE
Last Glacial Maximum
Intense cold during the Ice Age creates the Beringia land bridge between Siberia and Alaska. -
30,000 BCE
First Migrations Begin (30,000 BCE)
Early human groups start moving across Beringia, likely following large game. -
25,000 BCE
Peak Migration Period
Glaciers cover much of North America; some groups settle in Beringia while others migrate further. -
20,000 BCE
Glaciers Recede
Climate warms slightly, but the Bering Strait remains passable for migration. -
16,000 BCE
Coastal Routes Emerge
Ice sheets retreat, enabling groups to move south along the Pacific coast. -
14,000 BCE
Clovis Culture Emerges
Distinct tools and cultural practices develop in the Americas. -
10,000 BCE
End of the Ice Age
Rising sea levels submerge Beringia; human settlements expand across the Americas. -
2500 BCE
Preclassic era
Early Mesoamerican cultures begin forming complex societies. -
2500 BCE
Beginning of the Maya empire
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300 BCE
Early olmec empire
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100 BCE
Beginning of zapotecs
Known for Monte Albán and early hieroglyphic writing in the Oaxaca Valley. -
200
Classic period
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300
maya height of civilization
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400
Monte Alban heighest point
Monte Albán becomes a cultural and political center in the Oaxaca Valley. -
900
Postclassic period
Marked by the rise of the Toltecs and the decline of earlier civilizations. -
910
Aztecs rise and fall
The city reaches its peak, known for monumental architecture like the Pyramid of the Sun. -
1438
Expansion of the Inca Empire
The Inca build the largest empire in pre-Columbian Americas with advanced infrastructure. -
1492
Arrival of Columbus
Christopher Columbus reaches the Americas, marking the start of European exploration. -
1494
Treaty of Tordesillas
Spain and Portugal divide the newly discovered lands of the Americas. -
1519
Arrival of Hernán Cortés
Cortés allies with Indigenous groups to challenge the Aztec Empire. -
1520
Massacre in the Great Temple
Moctezuma II dies during a pivotal event in the Spanish conquest of the Aztecs. -
1521
Fall of Tenochtitlán
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United States Constitution:
Contribution: Introduced the federalist model and the separation of powers.
Inspired Mexican liberals in 1824 to structure a federal republic. -
French Revolution and Declaration of the Rights of Man
Popularized the principles of liberty, equality, and fraternity.
Inspired Mexican liberals to implement universal rights and the separation of church and state in 1857 and 1917. -
Cádiz Constitution (Spain):
Introduced national sovereignty, separation of powers, and citizen representation.
Influenced both Mexican liberals and conservatives: liberals adopted its emphasis on citizens' rights, while conservatives valued its commitment to Catholicism. -
Constitution of Apatzingán (Mexico):
First liberal attempt to establish a Mexican constitutional framework.
Promoted popular sovereignty, individual rights, and a republican form of government, inspired by Cádiz. -
Plan of Iguala
A conservative movement declaring Mexican independence.
Established Catholicism as the official religion and proposed a constitutional monarchy. -
Federal Constitution of the United Mexican States:
Based on the federalist and republican model promoted by liberals.
Balanced tensions between liberals and conservatives by protecting Catholicism as the official religion. -
Liberal Constitution of Mexico:
Resulted from the liberal victory over conservatives.
Established individual rights, eliminated ecclesiastical and military privileges, and formalized the separation of church and state.
Triggered the Reform War (1857–1860), where conservatives fought to restore church privileges and a centralist government. -
Mexican Revolution:
A social movement focusing on land reform and labor rights, going beyond liberal-conservative divisions.
Led to the 1917 Constitution, which included unprecedented social and labor rights. -
Political Constitution of the United Mexican States:
Incorporated social demands from the Revolution.
Retained the liberal federalism of 1824 and introduced social justice principles inspired by the French Revolution and the Mexican Revolution.
Marked the end of direct conservative influence on Mexican constitutional design.