Event of Interest
Mar 3 US Congress authorizes track width of 4'8½" for Union Pacific Railroad

Doc Durant
- Mar 3 1st US wartime military conscription bill enacted
Event of Interest
Mar 3 Abraham Lincoln approves charter for National Academy of Sciences

Abraham Lincoln
- Mar 3 Congress authorizes a US mint at Carson City, Nevada
- Mar 3 Federal ironclad ships bombard Fort McAllister, Georgia
- Mar 3 Free city delivery replaces zone postage; 449 letter carriers hired
- Mar 3 Gold certificates (currency) authorized by US Congress
- Mar 3 Idaho Territory forms
- Mar 4 Battle of Thompson's Station, TN
- Mar 4 Territory of Idaho established
- Mar 17 Battle of Kelly's Ford, Virginia with 211 causalities
- Mar 19 Confederate cruiser SS Georgiana destroyed on her maiden voyage with a cargo of munitions, and medicines then valued over $1,000,000. Wreck discovered exactly 102 years later by teenage diver and pioneer underwater archaeologist E. Lee Spence.
- Mar 21 Naval Engagement at Havana, Cuba: USS Henrick Hudson vs Confederate blokcade runner Wild Pigeon
- Mar 25 1st US Army Medal of Honor awarded to six army soldiers by US Secretary of War Edwin Stanton in Washington
- Mar 25 Skirmish at Brentwood, Tennessee
- Mar 26 Voters in West Virginia approve gradual emancipation of slaves
Event of Interest
Mar 27 American Confederate President Jefferson Davis calls for this to be a day of fasting & prayer

Jefferson Davis