Party 19 - 20 Apr 14 · Indoor · Leeuwarden, Netherlands Info: On April 19th, 1943, the Swiss Dr. Albert Hofmann intentionally ingested 250 micrograms of LSD. This day is now known as "Bicycle Day", because after starting to feel the effects of the drug…Location: Gloppe, Poststraat 21 Over: 10y 7m · 664 · Added by DJ Paul B Photos0 People Bicycle Day Leeuwarden · Netherlands · Map Sat, 19 Apr 14, 23:00 - Sun, 20 Apr, 05:00= 6hIndoor · Over: 10y 7m