Show THIS WEEK IN HISTORY MARCH ARCH M 28 Gunpowder 28 first used in Europe by b the Vene Vene- Venetians Venetians J against the 1380 Its discovery is ascribed to Berthold Berthod Schwartz a monk in the year 1300 The New NewYork NewYork NewYork York state legislature passed a law la for the abolition of j slavery in that state 1799 I MARCH ARCH M 29 Act 29 Act passed for union of Canada Nova Scotia and New Brunswick 1867 under name of Dominion of Canada MARCH ARCH M 30 Radio 30 Radio telephone ser ser- service service ser ser- service vice b between tween the United Stat Stat- States States es es and the Philipine Philipine- Islands opened 1933 Daylight saving into effect in United States 1918 MARCH ARCH M 31 An 31 An earthquake caus caus- caused caused caused ed serious s tio in Califor Califor- California California nia J V w r J A Civil J Civil government in- in IM 4 in canal zone with r 7 Col Goethals as governor 1914 I APRIL A 2 Australian 2 ballot intro intro- introduced introduced introduced in several severa American states Floods in iii the Mis Mis- Mississippi Mississippi Mississippi valley alley devastated snare miles and rendered 30 people homeless 1912 APRIL A 3 The 3 The largest vessel vesel ve sel in ia the he world was launch la mch cd ed edat at at Hamburg 1913 I |