257 items pulled from all arenas of life. Technology dominates, especially in the last century. Grouping events into 40-year blocks shows 1940-79 as twice as dynamic as other eras. 1450 – 1779 20 1780 – 1819 12 1820 – 1859 16 1860 – 1899 31 1900 – 1939 47 1940 – 1979 99 1980 – … Continue reading Modern History Index