- Mar 1 Henry Pu Yi crowned Emperor Kang Teh of Manchuria
Carnera vs Loughran
Mar 1 Italian boxer Primo Carnera beats American challenger Tommy Loughran by unanimous points decision at Madison Square Garden, NYC for the NYSAC and NBA heavyweight titles
- Mar 2 Union Pacific tests light-weight high-speed passenger train, Omaha
Dillinger's Jail Break
Mar 3 John Dillinger breaks out of jail using a wooden pistol
Hubble's Galaxy Photo
Mar 8 Edwin Hubble photo shows as many galaxies as Milky Way has stars
Tito Freed
Mar 12 Communist revolutionary Josip Broz Tito freed from jail
Mathis der Maler
Mar 12 Paul Hindemith's symphony "Mathis der Maler" premieres in Berlin
- Mar 15 US Information Service opens
6th Academy Awards
Mar 16 6th Academy Awards: "Cavalcade" and its director Frank Lloyd, Charles Laughton (The Private Life of Henry VIII), and Katharine Hepburn (Morning Glory) win; host Will Rogers announces "Come and get it, Frank" and Frank Capra gets up
- Mar 16 Academy Award gold statuette 1st called Oscar in print by Sidney Skolsky
- Mar 16 US Congress passes Migratory Bird Conservation Act
Protocols of Rome
Mar 17 Austrian Chancellor Engelbert Dollfuss, Italian Prime Minister Benito Mussolini, and Hungarian Prime Minister Gyula Gömbös sign Donau Pact (Protocols of Rome) guaranteeing Austrian independence
- Mar 17 England beats Scotland, 6-3 at Twickenham, London to win the Home Nations Rugby Championship and Triple Crown
Didrikson Zaharias's Hitless Inning
Mar 20 American all-round female super athlete Babe Didrikson Zaharias pitches a hitless inning for Philadelphia A's in their exhibition pre-season baseball game against Brooklyn Dodgers
- Mar 20 Rudolf Kuhnold demonstrates radar in Kiel Germany
- Mar 21 Fire destroys Hakodate Japan, killing about 1,500
- Mar 22 Fire destroys Hakodate, Japan, kills 1,500, injures 1,000
- Mar 23 93rd Grand National: Gerry Wilson wins aboard 8/1 Golden Miller in race record 9:20.04; becomes only horse to win both UK's premier steeplechases with Cheltenham Gold Cup victory 1934
Shostakovich's Suite for Jazz
Mar 24 Dmitri Shostakovich's Suite for Jazz Orchestra No. 1 premieres in Leningrad, USSR
- Mar 24 U.S. Congress passes the Tydings-McDuffie Act, declaring the Philippines independent after a period of 10 years
1st Augusta National Invitation
Mar 25 1st Augusta National Invitation Tournament (Masters) Golf: Horton Smith wins with 20-foot birdie putt at the 17th hole, 1 stroke ahead of Craig Wood