Guys love games, so plan ahead and buy two tickets to a local sporting event and add a special surprise to celebrate the anniversary.
Even if there's no national league like the NBA or NFL nearby, other options abound.
It's not uncommon to give him a gift that shows him how you feel about your relationship.
Build a new memory by taking your boyfriend on a trip.
Some ideas with special meaning for an anniversary include: Make it a day, weekend or longer jaunt depending on your time and budget.
Depending on the time of year, choices may include: Contact the venue ahead of time and ask if they can mark your anniversary with a sign or announcement over the loudspeaker; most smaller parks will be happy to comply.
Better yet, see if you can get a meet and greet with some of the players.