The accomplishments that you make in life are meant to be celebrated because they are not an everyday thing and they also take a lot of hard work. Marking such occasions also allows you to bring the people that you love together. First things first you need to come up with ideas for how you are going to mark the milestone and if its your first time doing so it can be overwhelming.
The thing with parties is that you want to make it something that you will be happy to remember sometime in the future. Parties end and people leave but what you will have for the longest time will be the memories of how the event went down. The following party ideas will be great if you want something that will go down memory lane. A retro party theme is one way to go, here you will need to bring everything from that era, you need to play music from that time and decorate the venue to match and inform your friends to dress the part as well. You can also try a carnival party if you have been contemplating which is something different from what many people decide to do.
Craft a budget that you want to work with for this party because you do not want to overspend on the party. You can have kids over too where there can be fun activities for them to do in the party. Hire a venue for the party if your house is not big enough to accommodate the people who will be in attendance. Board game parties is a thing now, this is the kind of party where you bring your favorite board games in your pajamas and play the night away as you engage with your friends. with a venue being your house, all you will need to arrange for is food and drinks for the people that will show up and gifts for winners of the different board games.
When celebrating birthday parties you can make them cake swap events which is a lot of fun if you are a foodie. The fun here is in the diversity of people, different people will bring different kinds of cakes as they have different tastes and tasting them all will be amazing. Alternatively you can organize a mock Olympic contest where different people will be assigned different countries and they can engage in a sporting activity like swimming. With this idea you will need a rented space if the one you have is not sufficient. If your friends are for the idea, you can have a big picnic event where your friends grab their snacks and other gear they need and you can all drive to a picnic location and have a good time. Take as many photos, as you can as that is how you have the good memories and view here