| The U.S. did not extend the franchise to women until the early 20th century. |
| Coal production played a key role in the UK economy in the 19th and 20th centuries. |
| His works have dominated London's West End since the late 20th century and have also been a commercial success worldwide. |
| In the study group ll patients aborted spontaneously between the 17th and 20th gestational week and 8 patients aborted after the 21st week. |
| The story is well known of how ideas of race and nation made their impact on these extremely diverse cosmopoleis in the 20th century. |
| The 1990s in America were the largest extrabellum economic expansion in the 20th century. |
