Themes through time

Some stories only make sense across years. Pick a theme and follow it from one year to the next and around the world, from early air forces to new airlines, or from one revolution to the next.

• 76 events, 1912 to 1919The history of flight, 1912 to 1919From early air forces and Harriet Quimby's Channel flight to the RAF, Alcock and Brown and new airlines like KLM.
• 149 events, 1912 to 1919Revolutions and uprisings, 1912 to 1919From the fall of the Qing to the Easter Rising, Russia's two revolutions, Germany, Egypt and Mexico.
• 85 events, 1912 to 1919Disasters, 1912 to 1919Earthquakes, eruptions, famines, mine explosions and shipwrecks, from the Titanic to Kelud on Java.