Events:
1846 - US declared war on Mexico beginning the Mexican-American War.
1846 - US declared war on Mexico beginning the Mexican-American War.
Today in American History - May 13
By Martin Kelly, About.com
Suggested Reading
Choose Another Day in American HistoryTimelines of American History
Suggested Reading
Suggested Reading
Explore American History
Must Reads
More from About.com
Work Hard, Travel Easy
The best tips for business travelers.Dog Care
Get tips on training and caring for dogs of all ages.48 Hours in Vegas
Plan a hot weekend in Sin City.Hotel Advice
The must-stay hotels worldwide.
©2008 About.com, a part of The New York Times Company.
All rights reserved.