This day in theme parks, September 17th:

Uni Social

2010

Don’t forget. U can still win a Halloween Horror Nights Wedding! Details here - http://bit.ly/a4hEx1

— Universal Orlando Resort (@UniversalORL) September 17, 2010

2011

In this cemetery, the deadly spirits beneath the headstones only come to life every 100 yrs… Happy 100th anniversary... http://t.co/saU4e9C2

— Halloween Horror Nights (@HorrorNightsORL) September 17, 2011

2012

Throughout #HHN22 the USF Lagoon will play horrifying tributes complete with choreographed fountains http://t.co/iv93cAfF

— Halloween Horror Nights (@HorrorNightsORL) September 17, 2012

2013

Hey gang, I had the honor of being the first entry in our new BTS blog.. Something a little more personal. 🙂 http://t.co/fiFT3vy0So

— Halloween Horror Nights (@HorrorNightsORL) September 17, 2013

2014

So proud of all the teams involved. Their tireless work this year is beyond amazing. -mike

— Halloween Horror Nights (@HorrorNightsORL) September 17, 2014

2015

1 night until #HHN25: #TBT to last year's festivities where we found out what's behind the MASKerade. pic.twitter.com/nuATpYfjbv

— Halloween Horror Nights (@HorrorNightsORL) September 17, 2015

2016

Check out the #HHN26 Snapchat filters and be on the lookout for more on future nights. pic.twitter.com/pS9XMMrxM4

— Halloween Horror Nights (@HorrorNightsORL) September 17, 2016

2017

Do you think I'm pretty? #HHN27 pic.twitter.com/VXxy0TDd9J

— Halloween Horror Nights (@HorrorNightsORL) September 17, 2017

2018

The Hogwarts Express is full of excitement both ways.

Find out more at https://t.co/U5OBwzlXZq. pic.twitter.com/ruLIv2Uxlg

— Universal Orlando Resort (@UniversalORL) September 17, 2018

2019

😈💀 TO ALL MY FOLLOWERS 💀😈

I added an extra night of #HHN29 just for you. Monday, Oct. 21.

You're welcome.

— Halloween Horror Nights (@HorrorNightsORL) September 17, 2019

2020

You're stuck on Skull Island 💀 –– using one emoji, how would you escape? pic.twitter.com/m6cugcftU1

— Universal Orlando Resort (@UniversalORL) September 17, 2020

2021