请通过这个英语短文帮我提几个问题

请通过这个英语短文帮我提几个问题
Americans celebrate Sweetest Day on the third Saturday in October.Sweetest Day is a day to make people happy.Sweetest Day begin in Cleveland in 1922.A man wanted to bring happiness into the lives of orphans,patients,and others.So he decided to give candies and small gifts to them.His friends and neighbors helped him,too.After that,other people in Cleveland begin to do like this.Soon people in other states begin to do like this,too.From then on,the holiday has been celebrated till today.
1.什么时候是甜蜜日?
2.甜蜜日的由来