Dashed left edge = started before May 1901 ·
Dashed right edge = ongoing beyond May 1901
Events in May 1901 2
1901 – 1948Witold PileckiThe Volunteer for AuschwitzAn intelligence officer who intentionally got arrested to enter Auschwitz and organize resistance.
1901 – 1981Max EuweDutch World Chess ChampionMax Euwe became World Chess Champion in 1935 after defeating Alexander Alekhine and later served as president of FIDE.