To this day
Definition 1 of 1
Pro Tip 1/3Time Emphasis
Use 'to this day' to emphasize the duration or continuance of a situation from the past until now. 
She planted that tree when she was a child, and to this day, it stands tall in her backyard.
Pro Tip 2/3Ongoing Relevance
'To this day' suggests that something from the past is still relevant or significant in the present. 
To this day, his invention greatly impacts how we communicate.
Pro Tip 3/3Expressing Surprise
It can express surprise that something has not changed or an event's effects persist. 
To this day, I'm surprised that the old mill is still operational.