There are quite a couple of days that are quite interesting such as World Chocolate Day on 7 July, the Summer Olympics from 23 July 2021 to 8 August 2021.
If you love nature and conservation there is Global Tiger Day on 29 July, and World Nature Conservation Day on 28 July. This 2 sites might be of interest to you, and have been into the healthy lifestyle and having some thoughts with links on sustainability and ecofriendly lifestyle.