1625 – Albrecht von Wallenstein appointed German supreme commander
1890 – Completion of the first Lake Biwa Canal, Japan
1906 – The world’s 1st animated cartoon “Humorous Phases of Funny Faces” by J. Stuart Blackton is released
1943 – Adolf Hitler and Benito Mussolini met for an Axis conference in Salzburg
1946 – 10th US Masters Tournament, Augusta National GC: American Herman Keiser wins his only major title, 1 stroke ahead of tour money-leader Ben Hogan; first Masters in 4 years because of World War II
1977 – German Federal Prosecutor Siegfried Buback and his driver are shot by two Red Army Faction members while waiting at a red light.
1991 – Compton Gamma Ray Observatory orbits Earth
1996 – Pakistan beat Sri Lanka to win Singer Cup in Singapore
2012 – Joyce Banda becomes President of Malawi
2017 – US President Donald Trump orders missile strike on Syrian airfield after chemical weapons attack on Khan Sheikhoun