Men being men. Sometimes we are just excited and want to share with our kids but I guess your hubby took it negatively like as if you're trying to constantly remind him, and even resorting to using the kids to do that.
We meant well, and are genuinely looking forward to the celebration but the men see it otherwise.
Why not you plan for this year's anniversary and just ask him to make himself available? I'm sure when you put in effort, he will appreciate the gesture and for all you know, it might just prick his guilt that he has not been doing anything these years. Perhaps then next year will be a better experience!