Bimwe mu byibukwa kuwa 30 Nzeli
1846: Byabaye ubwa mbere mu mateka y'ubuvuzi, aho umuganga akura iryinyo abanje gutera ikinya. Byakozwe na Docteur William Malton
1870: Havutse Jean Perrin, Umuhanga mri Physics. Yayibonyemo igihembo Nobel (1926) kubw'ibikorwa bye by'ubucukumbuzi bufatiye kuri rayons cathodiques.
1895: Abafaransa bigaruriye iyitwaga Tananarive muri Madagascar.
1928: Nibwo mu buryo nawe bwamutunguye Sir Alexander Fleming (hejuru ku ifoto)yavumbuye péniciline, yaje kwifashishwa mu guhangana n'indwara nyinshi ziterwa n'ama bacteries zari zarananiranye
1937: Nibwo imodoka z'agaciro kurenza izindi (mu gihe cyazo) zo mu bwoko Duesenberg zasohotse bwa nyuma mu ruganda.
Duesenberg yagurwaga gusa n'abaherwe bifite
1938: Ubwo hasinywaga amasezerano yiswe aya Munich, Abanazi beguriwe Tchecoslovaquie n'akarer ka Sudètes
1946: Urukiko rwa Nuremberg rwaciriye urubanza igihugu cy'Ubudage, rwemeza ko cyahemukiye ibindi bihugu 11, bityo kikazishyura indishyi yose ozakenerwa.
1947 : Nibwo Pakistan na Yemen byakiriwe mu Muryango w'Abibumbye
1966: Nibwo Botswana yabonye ubwigenge
1981: Ikurwaho ry'igihano cy'urupfu mu Bufaransa ryemejwe nyuma yo gutorwa n'Abasenateri
1985: Nibwo Microsoft yasohoye bwa mbere tableur Excell, ariko icyo gihe bayitaga "chiffrier électronique" pour PC.
1988: Nibwo Mikhaïl Gorbatchev yatangiye kuyobora Abasoviyeti
Perezida Mikhaïl Gorbatchev
1991: Perezida Jean B. Aristide wayoboraga Haïti yahiritswe ku butegetsi na Général Raoul Cedras.
John Williams NTWALI
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