This Day in History

U.S. Congress Declares War on Mexico

On May 13, 1846, the U.S. Congress officially declared war on Mexico, initiating the U.S.-Mexican War. This conflict stemmed from the annexation of Texas and the disputes over its border, as well as American desires to acquire lands in what are now California, Nevada, Utah, Arizona, New Mexico, and Colorado. The war significantly altered the […]

Iowa Becomes the 29th U.S. State

A new star joined the constellation of states on December 28th, 1846, as Iowa was admitted to the Union. Known for its agricultural contributions, Iowa became the 29th state of the United States.


The planet Neptune was discovered by German astronomer Johann Gottfried Galle on September 23rd, expanding our understanding of the solar system.