q3)This was an event
1)

q2)

3)
Answer: Battle of TrafalgarNelson earlier had lost his eye, and during the battle of trafalgar literally turned a blind eye to orders from superior by putting the telescope on his damaged eyes and saying im not able to see the retreat orders. To commemorate his navies across the world don "Nelson's eye" on shoulder ranks.
statue of nelson to honour his bravery in trafalgar square london
nelsons death after battle of trafalgar
sheshank got that one , chaits just missed it