First act from SM to get global hit?

No OP, not now. I do hope they'll have it future.

For now global hit i will only say PSY Gangnam style and BTS Dynamic.

Only these 2 excelled in ALL REGION charts in the world.

Quote from Oven-Baked Nuts & Mammoth (278)

Only Psycho. That’s why it’s SM most streamed song on Spotify

Love shot is sms most viewed mv. Half a billion views and still gaining lots of views daily