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  1. PhD, Yale University, New Haven, CT (Sep 2002 - Dec 2008)
  2. MA, Columbia University, New York, NY (May 2001)
  3. BA, Columbia College, New York, NY (May 1995)


As a historian, I aim to cross historiographical and geographical frontiers and to reconstruct the everyday experiences of people who were born without the privileges of power. I want to include their stories in the historical narratives of the "early modern" period and nineteenth century, when indigenous peoples around the world confronted European colonialism. More specifically, I focus on the economic and social lives of people who lived in Spain's imperial frontiers, including the Philippine Islands and New Mexico. I do so in order to expand the traditional geographic scope of Latin American history and to re-examine the trajectories of empires from a truly global perspective.

Among my current projects is a monograph titled “First Routes: Indigenous Trade and Travel in Early North America” that recovers the history of native merchants who forged routes of exchange between the Rio Grande Valley and the Mesoamerican highlands from circa 1400 to the late 1800s. Another is a book on coastal exchanges along the Pacific's eastern coastline.

Before coming to Penn State, I was Assistant Professor of History at Miami University.

Recent Publications:

Seijas, Tatiana. 2014. Asian Slaves in Colonial Mexico: From Chinos to Indians. Cambridge Latin American Studies Series. New York: Cambridge University Press.

~Winner of the Berkshire Conference of Women Historians Book Prize for 2014.

Seijas, Tatiana and Pablo Sierra 2016. "The Persistence of the slave market in seventeenth-century Central Mexico."  Slavery & Abolition A Journal of Slave and Post-Slave Studies.

Seijas, Tatiana. 2016. "Inns, mules, and hardtack for the voyage: the local economy of the Manila Galleon in Mexico."  Colonial Latin America Review.

Seijas, Tatiana. 2016. "Asian migrations to Latin America in the Pacific World, 16th–19th centuries."  History Compass.

Schwartz, Stuart B., and Tatiana Seijas. 2017. Victors and Vanquished: Spanish and Nahua Views of the Fall of the Mexica Empire, A Brief History with Documents. 2 ed. Boston: Bedford/St. Martin's.

Seijas, Tatiana, and Jake Frederick. 2017. Spanish Dollars and Sister Republics: The Money That Made Mexico and the United States.  Lanham, MD: Rowman & Littlefield.

Recent Awards and Service:

Newberry Library, National Endowment for the Humanities Long-Term Fellowship, 2018-19

American Council of Learned Sciences, Frederick Burkhardt Residential Fellowship for Recently Tenured Scholars at the National Humanities Center, 2016-17

John Carter Brown Library, Brown University, R. David Parsons Fellow, Long-Term Fellowship, 2014-15

Recent Courses:

Seijas teaches courses on Early Modern North and South America, the History of Slavery, and World History.

HIST10  World History to 1500
HIST 178  Latin America to 1820
HIST302W Undergraduate Seminar


HIST 302 History of North America
HIST 569 Seminar in Latin American History

Dissertation Chair(s):

Stuart B. Schwartz, Yale University

Research Interests:

Early Modern economics; Global Spanish Empire; Pacific World; Philippine Islands; US Southwest; Mexico; Slavery; Borderlands; 19th-century US-Mexico relations

Areas of Specialization:

Latin America: