Lansing Ice Floe Disaster | Apr 1

On this day in 1875, a massive ice floe collapsed five bridges in Lansing, starting with the newly constructed Mineral Wells Bridge. In 1963, Michiganders narrowly approved the state’s new constitution with a 50.2% vote. And in 1972, Ann Arbor held its first Hash Bash, celebrating cannabis after John Sinclair's prison sentence for marijuana possession was overturned.