August 17 is the 229th day in the Gregorian calendar. On this day, Seattle's famous Pike Place Market opened in 1907, George Orwell's famous Animal Farm was first published, and Michael Phelps became the first person to win 8 gold medals in one Olympic game. Famous birthdays include Robert De Niro, Sean Penn, and Mae West. August 17 also marks the Gold Cup Parade and National Black Cat Appreciation Day.
We have 2 holidays listed for August 17.
| Date | Holiday | Category | Tags | Region |
|---|---|---|---|---|
| Discovery Day | Cultural | Canadian, Historical | Canada | |
| National Black Cat Appreciation Day | Animal | Pet | U.S. |
