🪷 When #AntoninusPius died 7 March 161 AD, #MarcusAurelius and #LuciusVerus became co-Emperors. Marcus being the elder, was given the title Augustus, while #Lucius #Verus was called Caesar. They are the only example of effective co-rulership in Rome: https://antinousstars.blogspot.com/2026/03/the-ascension-of-marcus-aurelius-and.html 🪷