1st January 194610th March 194622th March 194617th April 194625th May 19464th July 194614th Augustus 194715th Augustus 19474th January 19484th February 194814th May 194830th June 19481st July 194815th Augustus 19489th September 194831th December 19481st January 194929th June 194921th September 19495th October 19497th December 19498th December 194927th December 194924th December 195128th April 195223th October 19539th November 195325th March 19541st May 19544th June 195421th July 19545th May 195527th July 19551st January 19562nd March 195620th March 19566th March 195731th Augustus 195731th January 19581st February 1958