- Mar 1 Jewish old age home for disabled in Amsterdam raided
- Mar 2 1st transport from Westerbork Netherlands to Sobibor concentration camp
- Mar 3 Battle of the Bismarck Sea: Australian and American air forces devastate Japanese navy convoy
- Mar 3 Bethnal Green Tube disaster: 173 die in a stampede sheltering in an air raid, UK's greatest loss of civilian life in WWII (details censored till January 20 1945)
- Mar 3 F Ryerson & Cohn Claues' "Harriet" premieres in NYC
15th Academy Awards
Mar 4 15th Academy Awards: "Mrs. Miniver", James Cagney & Greer Garson win
- Mar 4 Transport #50 departs with French Jews to Maidanek/Sobibor
- Mar 5 Anti-fascist strikes in Italy
- Mar 5 RAF bombs Essen Germany
Battle of Medenine
Mar 6 Battle of Medenine: Erwin Rommel's Axis forces counterattack in North Africa to delay an attack by the British on the Mareth Line in Tunisia
Patton in Tunisia
Mar 7 US General George S. Patton arrives in Djebel Kouif, Tunisia
- Mar 8 335 allied bombers attack German city of Nuremberg, a centre for military production
- Mar 8 Limited gambling legalized in Mexico
- Mar 8 US Ladies' Figure Skating championship won by Gretchen Merrill
- Mar 9 Delft, Netherlands anti-Nazi resistance group Pahud de Mortanges wiped out
- Mar 9 Greek Jews of Salonika are transported to Nazi extermination camps
- Mar 11 Nazi Militia forms in Netherlands
- Mar 12 Soviet troops liberate Wjasma
- Mar 13 Baseball approves official ball (with cork & balata)
Attempt on Hitler
Mar 13 Failed assassin attempt on Adolf Hitler during Smolensk-Rastenburg flight
- Mar 13 Frank Dixon wins Knights of Columbus mile (4:09.6)
Kraków Ghetto Liquidated
Mar 13 Nazis liquidate the Jewish ghetto in Kraków; Oskar Schindler with advance information, saves his workers by keeping them in his factory overnight
- Mar 15 Allied reconnaissance flight over Java
- Mar 15 Red Army evacuates Kharkov
- Mar 16 Ships Elin K (Norway) and Zaanland (Netherlands) torpedoed by German U-boats and sink
- Mar 17 Aldemarin (Ned) & Fort Cedar Lake (US) torpedoed & sinks
- Mar 17 F. Hugh Herbert's "Kiss & Tell" premieres in NYC
- Mar 17 Physician Willem J. Kolff performs the world's first 'hemodialysis' using his artificial kidney machine, however the treatment is unsuccessful and the patient dies, in the Netherlands
- Mar 18 British merchant vessel "Canadian Star" is torpedoed and sunk in the Atlantic by German U-boat U-221, 34 die with 54 survivors [1]
- Mar 18 Red Army evacuates Belgorod
- Mar 18 Ships James Oglethorpe (US) & Terkolei (Netherlands) torpedoed and sinks
- Mar 19 British 8th army opens assault on Mareth line, Tunisia
- Mar 19 Frank Nitti, the Chicago Outfit Boss after Al Capone, commits suicide at the Chicago Central Railyard
LaMotta Defeats Reeves
Mar 19 In their third match, Jake LaMotta finally defeats Jimmy Reeves by knocking him out in the sixth round
- Mar 20 German U-384 bombed & sinks
- Mar 21 Assassination attempt on Adolf Hitler fails
- Mar 21 Massacre of the town of Kalavryta, Greece by German Nazi troops.
- Mar 22 Dutch SS police chief Hans Albin Rauter threatens to kill half Jewish children
- Mar 22 Dutch work week extended to 54 hour
- Mar 22 Obligatory work for woman ends in Belgium
- Mar 23 German counterattack on US lines in Tunisia
- Mar 25 97% of all Dutch physicians strike against Nazi registration
Sanshiro Sugata
Mar 25 Akira Kurosawa's debut film "Sanshiro Sugata" is released
The Durante-Moore Show
Mar 25 Jimmy Durante & Garry Moore premiere on radio
- Mar 26 Battle of Komandorski Islands, naval battle between American navy and Japanese Imperial forces in the Pacific Ocean, ends inconclusively
- Mar 26 Elsie S. Ott is 1st woman to be awarded US Air Force Medal
Blue Ribbon Town
Mar 27 Blue Ribbon Town (with Groucho Marx) 1st heard on CBS Radio
- Mar 27 WWII: Dutch resistance fighters burn and bomb the Amsterdam civil registry office in effort to destroy records and prevent the Nazis from identifying Jews and others marked for persecution; about 15% of records destroyed and 12 of the 19 known participants were tried and executed by the Nazi occupiers
- Mar 27 WWII: US begins assault on Fondouk Pass, Tunisia
- Mar 29 Meat (784 gram/week, 2 kilogram for GI's), butter & cheese rationed in US during WW II
- Mar 30 5th NCAA Men's Basketball Championship: Wyoming beats Georgetown, 46-34; Cowboys' point guard Ken Sailors is named tournament Most Outstanding Player
- Mar 30 British 1st army recaptures Sejenane
- Mar 31 Rodgers & Hammerstein's musical "Oklahoma!" opens at the St. James Theatre, NYC; runs for 2,212 performances
- Mar 31 US errantly bombs Rotterdam, kills 326
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