WHAT ALL HAPPENED MARCH TO SEPTEMBER 1848
Find out what all happened March to September 1848

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

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

In the Wallachian Revolution, Ion Heliade Rădulescu and Christian Tell issue the Proclamation of Islaz and create a new republican government. (21. June 1848)

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

Revolutions of 1848 in the German states: King Ludwig I of Bavaria abdicates. (20. March 1848)

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

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

Slavery is abolished in Martinique. (22. May 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)

Carlo Alberto di Savoia signs the Statuto Albertino that will later represent the first constitution of the Regno d'Italia (4. March 1848)

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

A revolution breaks out in Hungary. The Habsburg rulers are compelled to meet the demands of the Reform party. (15. March 1848)

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

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

Louis-Hippolyte Lafontaine and Robert Baldwin become the first Prime Ministers of the Province of Canada to be democratically elected under a system of responsible government. (11. March 1848)

End of the June Days Uprising in Paris. (26. June 1848)

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

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

The Treaty of Guadalupe Hidalgo is ratified by the United States Senate, ending the Mexican–American War. (10. March 1848)

The ship John Wickliffe arrives at Port Chalmers carrying the first Scottish settlers for Dunedin, New Zealand. Otago province is founded. (23. March 1848)