Niall Horan, Harry Styles, Louis Tomlinson and Liam Payne of One Direction.

Messages of love and gratitude shared by the boy band One Direction topped Twitter’s charts this year.

One Direction members accounted for half of the 10 most recirculated tweets, including the three most popular.

All the One Direction tweets were either directed at bandmates or the group’s fans. None are likely to be remembered for heralding pivotal moments in history.

“All the love as always. H,” One Direction’s Harry Styles tweeted in March after Zayn Malik announced plans to leave the group. Styles boasts 26.3 million Twitter followers. The band’s other current and former members have amassed between 16.6 million and 23.7 million followers apiece.

Twitter also released some of the most popular topics, denoted by hashtags, that resonated with the more than 300 million users of its short-messaging service. The list included (hashtag)JeSuisParis after last month’s terrorist attack in France, (hashtag) BlackLivesMatter after police shootings of African-Americans in several US cities, and (hashtag) RefugeesWelcome as people fled the Middle East for Europe.

Although Twitter Inc. has built a big audience, Facebook’s social network is five times larger. A list about what people were talking about on Facebook this year is expected to be released soon, too.

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