In this series, I will look at random days of each month to inform readers about important events that occurred on that exact day in years prior.

In our final installment of “On This Day,” we are taking a look at history on May 30.

1848: W.G. Young patented the ice cream freezer.

1868: Memorial Day was observed widely for the first time in the United States.

1922: The Lincoln Memorial was dedicated in Washington, DC.