WHAT ALL HAPPENED APRIL TO DECEMBER 1848
Find out what all happened April to December 1848

Robert Blum, a German revolutionary, is executed in Vienna. (9. November 1848)

The United States annexes New Mexico. (22. August 1848)

Oregon Territory is organized by act of Congress. (14. August 1848)

Waterloo railway station in London opens. (11. July 1848)

Battle of Pákozd: stalemate between Hungarian and Croatian forces at Pákozd; the first battle of the Hungarian Revolution of 1848. (29. September 1848)

California Gold Rush: In a message to the U.S. Congress, U.S. President James K. Polk confirms that large amounts of gold had been discovered in California. (5. December 1848)

First performance of Finland's national anthem. (13. May 1848)

Irish Potato Famine: Tipperary Revolt – in Tipperary, Ireland, then in the United Kingdom, an unsuccessful nationalist revolt against British rule is put down by police. (29. July 1848)

Wisconsin is admitted as the 30th U.S. state. (29. May 1848)

The American Association for the Advancement of Science is created. (20. September 1848)

In Boston, Massachusetts, the first medical school for women, The Boston Female Medical School (which later merged with the Boston University School of Medicine), opens. (1. November 1848)

American victory at the battle of Cerro Gordo opens the way for invasion of Mexico. (18. April 1848)

Camila O'Gorman and Ladislao Gutierrez are executed on the orders of Argentine dictator Juan Manuel de Rosas. (18. August 1848)

The Slavic congress in Prague begins. (2. June 1848)

A greatly revised Dutch constitution, drafted by Johan Rudolf Thorbecke, severely limiting the powers of the Dutch monarchy, and strengthening the powers of parliament and ministers, is proclaimed. (3. November 1848)

Mexican–American War: Mexico ratifies the Treaty of Guadalupe Hidalgo thus ending the war and ceding California, Nevada, Utah and parts of four other modern-day U.S. states to the United States for US$15 million. (19. May 1848)

Switzerland becomes a Federal state. (12. September 1848)

Slaves are freed in the Danish West Indies (now U.S. Virgin Islands) by Peter von Scholten in the culmination of a year-long plot by enslaved Africans. (3. July 1848)

Slavery is abolished in Martinique. (22. May 1848)

Women's rights: a two-day Women's Rights Convention opens in Seneca Falls, New York. (19. July 1848)