no
Yes, there has been an inside-the-park grand slam in baseball history.
52 games
It has been on every day
100,000
As of 2021, there have been 29 inside-the-park grand slams hit in Major League Baseball history.
Every one who has ever been born has a family history, no matter what their circumstance.
It means that history is always happening. Every time a minute passes, some more history has been made, even if it is not all that exciting.
Every single ethnic, religious, racial, and sexual minority in the world has been a victim of prejudice or discrimination at some point in history.
There has been cheating in every culture at every time in human history.
Yes, there have been a number of them over the area's long history.
The most strikeouts in baseball history in one inning is four. This has happened just 72 times in baseball history.
Since Antarctica is 'discovered' by every first-time visitor, the answer to your question is tens of thousands of times, since that's the number of people who have visited Antarctica in history.