43 44 64 74 115 223 233 | Sebring, Golden Slipper winner, dies at age 13, February 23, 2019

This sudden death comes February 23, 2019, the 44 and 64 date.

2/23/19 = 2+23+19 = 44
2/23/2019 = 2+23+20+19 = 64

It won the Golden Slipper.

 

Notice the overlap with 'Sebring', 'Masonic' and 'killing'.

Notice the 2:33 post time...

233, the 13th Fibonacci Number, and the horse is dead at 13-years of age.

https://www.bloodhorse.com/horse-racing/articles/232226/golden-slipper-winner-and-sire-sebring-dies-at-13

The horse even died on its 154th day of its age.

https://en.wikipedia.org/wiki/Sebring_(horse)