A trending Twitter hashtag invites suggestions about what #NaughtyKidsGet this Christmas and holiday season.

The TikTok #SoWholesome trend showcases the good things that people (and pets) do for each other.

#OneDayHH is an Instagram challenge to document every hour of a single day.

This Halloween, TikTok is featuring numerous spooky hashtags and memes, including both sponsored and more organically arising content.

October 16 is International Pronouns Day, a reminder of the importance of using people’s correct pronouns as a part of respecting their gender identities and expressions.

October 11 is International Day of the Girl, a celebration of girls around the world, with an emphasis on their value and achievments as well as programs and policies to continue their empowerment.

The hashtag #LGBTQHistoryMonth celebrates LGBTQ activists, icons, and trailblazers.

To fans of the cult film Mean Girls, October 3rd is known as “Mean Girls Day.”

A youth-led global climate strike is set to take place on September 20th and 27th to declare a climate emergency and demand climate justice for all.

The hashtags #FirstDayOfSchool and #FirstDayOfSchool2019 are trending on social media, marking the start of the school year.

Get ready to fall in love with Leo between July 23rd and August 22nd, the period of time astrologers and horoscope enthusiasts refer to as #LeoSeason.

The NeverEnding Challenge is a dance and sing-along internet challenge inspired by a season three episode of Stranger Things.