The answer would be "The battle of the Bulge". This is also the largest Ardennes Offensive which was the largest battle fought on the Western Front in Europe.
Pagers were invented in 1949 by Al Gross well the first telephone pager but it wasn't until 1956 when the motorola company creates the first portable paging device.
The Supreme Court Declared bus segregation unconstitutional
Ghettos are where the Jews, disabled, gypsy, ect were placed in so the Nazi can sperate them from society.