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5 hours ago · Leonhard Euler (/ ˈ ɔɪ l ər / OY-lər, German: [ˈleːɔnhaʁt ˈʔɔʏlɐ] ⓘ, Swiss Standard German: [ˈleːɔnhart ˈɔʏlər]; 15 April 1707 – 18 September 1783) was a Swiss mathematician, physicist, astronomer, geographer, logician, and engineer who founded the studies of graph theory and topology and made pioneering and influential discoveries in many other branches of mathematics ...
1 day ago · Battles/wars. Easter Rising. James Connolly ( Irish: Séamas Ó Conghaile; [1] 5 June 1868 – 12 May 1916) was an Irish republican, socialist, and trade union leader, executed for his part in the 1916 Easter Rising against British rule in Ireland. He remains an important figure both for the Irish labour movement and for Irish republicanism. He ...
