1848
Treaty of Guadalupe Hidalgo
The treaty was signed, ending the Mexican-American War. The United States gained vast territories including California and New Mexico, reshaping North American borders.
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All Events
1653
New Amsterdam Incorporated
The Dutch settlement of New Amsterdam was officially incorporated as a city. This settlement would later become New York City after English conquest.
1943
German Surrender at Stalingrad
The remnants of the German 6th Army surrendered to Soviet forces, marking a decisive turning point on the Eastern Front of World War II.
1971
Ramidopa for Parkinson's
The New England Journal of Medicine published a landmark study showing the effectiveness of L-Dopa (Levodopa) in treating Parkinson's disease symptoms, revolutionizing neurology.
2004
Roger Federer Becomes World No. 1
After winning the Australian Open, Swiss tennis player Roger Federer reached the ATP world No. 1 ranking for the first time, beginning a record-breaking reign.