Write a fact file about an important date. You can use

I would like to tell you about, in my opinion, the most impoortant date in our history. It is a Victory Day that which was happened on the 9th of may in 1945. I chose this date because i think everyone knows it and it is important for our country because on 9th may 1945 ended  Great Patriotic War and i think everyone knows that it was started in 1941 by german.