10 Key Dates or Notes in Mass Media History By Musarana 1800 Commercial printing at London’s Grub Street 1820 Emergence of Photography in 1820s 1830 Telegraph invented 1830s 1840 Telegraph use got popular 1840s 1863 Completion of Atlantic Cable in 1863 1877 Use of photographs become popular 1877 1920 Radio was invented in 1920 1927 Television was invented in 1927 1930 Motion Pictures gained popularity 1930 1980 Successful launching of communications satellites into low earth orbit 1990 Explosive growth in online services 1990s