birthday parties for kids can easily take place in a side room with a long table, but grownups prefer to roam about and, unforgettable 40th birthday ideas for her, planning a 40th birthday party for my husband, 40th birthday party ideas 2021, 40th birthday party ideas 2021, 40th birthday party ideas at home. the ultimate list of 100+ free 40th birthday party ideas for men and women, including lighthearted and sophisticated party themes and ideas. when planning a 40th birthday party, start by