Arbor Day fifteenth day of the month Esfand, which usually corresponds with March 5. This day is the first day of the "Natural Recyclable Resources Week" (March 5 to 12). This is the time when the saplings of the all kinds in terms of different climates of different parts of Iran are shared among the people. They are also taught how to plant trees. The Jewish holiday Tu Bishvat, the new year for trees, is on the 15th day of the month of Shvat, which usually falls in January or February. Originally based on the date used to calculate the age of
Valentine tank month in a year and peaking at 20 per week in 1943, before production was slowed and then production of the Valentine and derivatives stopped in 1945. Vickers-Armstrong produced 2,515 vehicles and Metropolitan 2,135, total UK production was 6,855 tanks. To develop its own tank forces, Canada had established tank production facilities. An order was placed in 1940 with Canadian Pacific and after modifications to the Valentine design to use local standards and materials, the production prototype was finished in 1941. Canadian production was mainly at CPR Angus Shops in Montreal and 1,420 were produced in Canada of 1,388 were