When God gave us the Torah.
There is no one most important person to the Jewish people. Jewish history contains accounts of literally thousands of leaders, sages, and heroes.
the great depression
when they go
The discovery of Victoria Falls in 1855.
Bastille Day on 14 July 1789.
The potato famine.
No one. Jewish history does not go by the secular calendar.
There is no single event that can be unanimously declared "the most important". But if you survey different Jews, you make get these answers:The revelation of Torah at Mt. SinaiAbraham's realization that there is one GodThe destruction of the Second Temple in JerusalemThe HolocaustThe birth of the State of Israel
The edict of Milan is an important event in history, especially christian history, because Emperor Constantine legalized Christianity in the roman empire
there have been many important events in japan's history. one of the most important was the nuclear bombing in WWII. another very important event happened there not to long ago. there was a Major earthquake that hit japan that caused tsunami's to wash away many cities.
Hitler is one of the most evil people in history, so I would go with Jewish.
One important event was when Brazil gained independence of Portugal in 1822. Another was that most Brazilians originated from the major groups.