| text,label | |
| "Telegraphs and steam power were essential tools of 19th century communication.",pre-1900 | |
| "Horse-drawn streetcars transported city passengers before automobiles.",pre-1900 | |
| "World War II battles transformed global alliances and power structures.",1900-1945 | |
| "Radio dramas became a popular form of entertainment during the 1930s.",1900-1945 | |
| "Protests against the Vietnam War spread across U.S. campuses.",1946-1979 | |
| "The moon landing in 1969 symbolized technological achievement.",1946-1979 | |
| "The rise of home video game consoles reshaped family entertainment.",1980-1999 | |
| "Email and early internet forums connected people globally for the first time.",1980-1999 | |
| "Smartphones rapidly replaced flip phones after 2010.",2000-2015 | |
| "Streaming services disrupted traditional cable television models.",2000-2015 | |
| "Zoom meetings became a global norm for workplaces during the pandemic.",2016-present | |
| "Electric cars gained widespread acceptance in the late 2010s and early 2020s.",2016-present | |