"To commemorate the occasion" means to remember and honor a special event or milestone by doing something significant or meaningful. It is a way of celebrating or acknowledging an important moment in time. Full definition
The team of artists at Unique & Limited commemorated the occasion with a digital recreation of the moment third - placed Nelson Piquet was lapped by leader Senna, using his nephew Bruno as a reference. (wtf1.com)
Wolverine 3 has now wrapped up filming in New Mexico and Jackman commemorated the occasion by releasing a photo through his social media accounts. (screenrant.com)
It was one of Senna's most iconic performances, and to commemorate the occasion McLaren has put together this emotional tribute video with some of the mechanics and team personnel who worked with Senna at the time. (wtf1.com)