と同様のハッシュタグ #history
ハッシュタグを投稿に入れるか、投稿の下の最初のコメントとして。
#history #croatianhistory #discoverhistory #thestepsbesideyouarehistory #croatiafullofhistory #arthistory #historyfacts #historylesson #dubrovnikhistory #ancienthistory #instahistory #romanhistory #fullofhistory #livinghistory #historyphotography #croatiahistory #historytour #historymemes #naturalhistory #historylovers #historylover #historyremains #fiftyshades_of_history #militaryhistory #familyhistory #historytown #historychannel #historyplace #lovehistory #historynerd