Keytruda's fda approval can you name the year?

What year did the FDA approve Keytruda (pembrolizumab)?

Keytruda (pembrolizumab) received its first FDA approval in 2014. [1]

Which approval was it (initial vs. later expanded indications)?

That 2014 date refers to Keytruda’s initial FDA approval. After that, the FDA approved additional indications in later years as new clinical results supported them. [1]

Source

[1] https://www.drugpatentwatch.com/portfolio/keytruda-pembrolizumab/