Happy May Day!
Since May Day is connected with barbecue in the open space and flower wreaths in Greece, we can give ours students some information about the origin of May Day according to Celts, the custom of Maypole Dance and some historical facts about the violent protests by factory workers in Chicago,in 1886. You can choose which of the three you 'd like to focus on and use the guidelines of the respective worksheet. All three contain extensive use of technology but you can adapt your lesson according to your needs.
You can find all the material in the following link:
Good luck!