I can confirm that the Canada-Japan relationship, as well as the multilateral relationship that organization has with Asia-Pacific countries, has served Canada well in encouraging other countries to follow the Canadian example of signing the convention banning anti-personnel mines, which took place in December of last year.
The signing of the convention happened the year after last year in the month that follows December. 
( z1 sign :ARG1 ( z2 convention ) :time ( z3 after :op ( z4 year :mod ( z5 last ) ) ) :time ( z6 month :ARG1-of ( z7 follow :ARG2 ( z8 date-entity :month 12 ) ) ) )