1846 in Mexico

Events in the year 1846 in Mexico.

Incumbents

Events

• April 25 – Mexican-American War: Open conflict begins over border disputes of Texas' boundaries.
• May 8 – Mexican-American War – Battle of Palo Alto: Zachary Taylor defeats a Mexican force north of the Rio Grande at Palo Alto, Texas in the first major battle of the war.
• May 9 – Mexican-American War – Battle of Resaca de la Palma in Brownsville, Texas
• May 13 – Mexican-American War: The United States declares war on Mexico.

• June 10 – Mexican-American War: The California Republic declares independence from Mexico.
• June 14 – Bear Flag Revolt: American settlers in Sonoma, California start a rebellion against Mexico and proclaim the California Republic.
• July 7 – Acting on instructions from Washington, DC, Commodore John Drake Sloat orders his troops to occupy Monterey and Yerba Buena thus beginning the United States annexation of California.

Notable births