Editing 1940 (section)

===March===
[[File:Selma Lagerlöf.jpg|thumb|100px|right|[[Selma Lagerlöf]]]]
[[File:Spyridon Louis 1896.jpg|thumb|100px|right|[[Spyridon Louis]]]]
*[[March 1]] – [[A. H. Tammsaare]], Estonian writer (b. [[1878]])
*[[March 5]]
**[[Maxine Elliott]], American actress (b. [[1868]])
**[[Cai Yuanpei]], Chinese educator, philosopher, politician and Esperantist and the president of Peking University (b. [[1868]])
*[[March 10]] – [[Mikhail Bulgakov]], Russian writer (b. [[1891]])
*[[March 16]]
**[[Selma Lagerlöf]], Swedish writer, [[Nobel Prize in Literature|Nobel Prize]] laureate (b. [[1858]])
**[[Samuel Untermyer]], American lawyer (b. [[1858]]) 
*[[March 18]] – [[Aylmer Hunter-Weston|Sir Aylmer Hunter-Weston]], British army general (b. [[1864]])
*[[March 20]] – [[Alfred Ploetz]], German physician, biologist and eugenicist (b. [[1860]])
*[[March 23]] – [[Dimitar Stanchov]], 15th [[Prime Minister of Bulgaria]] (b. [[1863]])
*[[March 24]] – [[Thomas Adams (architect)|Thomas Adams]], British urban planner (b. [[1871]])
*[[March 26]] – [[Spyridon Louis]], Greek Olympic athlete (b. [[1873]])
*[[March 27]]
**[[Madeleine Astor]], American survivor of the [[Sinking of the RMS Titanic|sinking of the RMS ''Titanic'']] (b. [[1893]])
**[[Michael Joseph Savage]], 23rd [[Prime Minister of New Zealand]] (b. [[1872]])
*[[March 30]] – [[George Egerton (Royal Navy officer)|Sir George Egerton]], British admiral (b. [[1852]])
*[[March 31]] – [[Tinsley Lindley]], English footballer (b. [[1865]])