German revolutions of 1848–49 used on today's national flag of Germany as a symbol of the Republican movement and of the unity among the German-speaking people. Activism for liberal reforms spread through many of the German states, each of which had distinct revolutions. They were also inspired by the street demonstrations of workers and artisans led in Paris, France, from February 22 through 24, 1848, which resulted in the abdication by King Louis-Philippe of France and his exile in Britain. In France the revolution of 1848 became known as the February Revolution. The revolutions spread from France across Europe; they erupted soon thereafter in
Year of the Elephant Empire overthrew the Aksumite-affiliated rulers in Yemen around 570. The year is also recorded as that of the birth of ‘Ammar ibn Yasir. According to early Islamic historians such as Ibn Ishaq, in honor of his ally, Negus Abraha built a great church at Sana'a known as "al-Qullays", a loanword borrowed from "church". Al-Qullays gained widespread fame, even gaining the notice of the Byzantine Empire. The pagan Arab people of the time had their own center of religious worship and pilgrimage in Mecca, the Kaaba. Abraha attempted to divert their pilgrimage to al-Qullays and appointed a man named Muhammad ibn