Hari kw’igenekerezo nkiri, 12 Ndamukiza

1945: Urupfu rw’umukuru w’igihugu ca Leta Zunzubumwe za Amerika, Franklin Delano Roosevelt. Aracari uwambere yamaze imyaka myinshi mu mabanga y’Umukuru w’ico gihugu. Imyaka 13.

1961: Youri Gagarine, umurusiya w’imyaka 27 y’amavuko, yabaye umuntu wa mbere yazungurutse isi mu minuta 108, aho yagendera ku kubirometero 327 uvuye kw’isi.
Aho yari mu kigendajuru ciswe Vostok I. Icokigendajuru kikaba carungitswe nikibanza cabigenewe ahitwa Baïkonour mu gihugu citwa ubu Kazakhstan.