February 28, 1827: 1st commercial railroad in US, Baltimore & Ohio (B&O) chartered.
February 29, 1940: Hattie McDaniel becomes 1st African American woman to win an Oscar for "Gone with the Wind".
March 1, 1803: Ohio becomes 17th state of the Union.
March 2, 1807: US Congress bans the slave trade within the US, effective January 1, 1808.
March 3, 1873: US Congress & government retroactively raise own salaries.
March 4, 1861: Abraham Lincoln is inaugurated as the 16th US President.
March 5, 1946: Winston Churchill's "Iron Curtain" speech in Fulton, Missouri, popularizes the term and draws attention to the division of Europe.
March 6, 1944: USAAF begins daylight bombing of Berlin.