▁ 1 8 0 0 . ▁ ▁In ▁Sweden , ▁the ▁year ▁started ▁in ▁the ▁Julian ▁calendar ▁and ▁remained ▁so ▁until ▁February ▁ 2 8 . ▁Then , ▁by ▁ski pping ▁the ▁le ap ▁day , ▁the ▁Swedish ▁calendar ▁was ▁introduced , ▁letting ▁February ▁ 2 8 ▁be ▁followed ▁by ▁March ▁ 1 , ▁giving ▁the ▁entire ▁year ▁the ▁same ▁pattern ▁as ▁a ▁common ▁year ▁starting ▁on ▁Monday . ▁This ▁calendar , ▁being ▁ 1 0 ▁days ▁behind ▁the ▁Greg or ian ▁and ▁ 1 ▁day ▁ahead ▁of ▁the ▁Julian , ▁last s ▁until ▁ 1 7 1 2 . ▁ ▁January – J une ▁▁ ▁January ▁ 1 ▁– ▁ ▁Protest ant ▁Western ▁Europe , ▁except ▁England , ▁starts ▁using ▁the ▁Greg or ian ▁calendar . ▁ ▁January ▁ 1 ▁( Jul ian ) ▁– ▁The ▁Ts ard om ▁of ▁Russia ▁begins ▁number ing ▁its ▁calendar ▁from ▁the ▁birth ▁of ▁Christ ▁( An no ▁Dom ini ), ▁instead ▁of ▁since ▁the ▁Cre ation ▁( An no ▁M und i ). ▁ ▁January ▁ 2 6 ▁– ▁At ▁approximately ▁ 9   p . m ., ▁the ▁C asc ad ia ▁earth qu ake ▁occurs , ▁with ▁an ▁estimated ▁moment ▁magnitude ▁of ▁ 8 . 7 – 9 . 2 . ▁This ▁meg ath rust ▁earth qu ake ▁ru pt ures ▁about ▁ ▁of ▁the ▁C asc ad ia ▁Sub du ction ▁Zone ▁and ▁causes ▁a ▁t sun ami , ▁that ▁strik es ▁the ▁coast ▁of ▁Japan ▁approximately ▁ 1 0 ▁hours ▁later