20th Century by Letter - A

The first two men to walk on the Moon...

...and the mission that took them to the Moon

Led the first successful expeditions to the North and South Poles

Germany, Italy, and Japan during WWII

WWII's deadliest concentration camp

South African system of institutional racism against which Nelson Mandela fought

Art and architectural style exemplified by the Empire State Building

Term for the 1938 annexation of Austria into Nazi Germany

First president of the Republic of Turkey

Won its independence from France in 1962 after an eight-year war

Commonwealth country federated in 1901

Brutalist dictator who served as Uganda's president during the '70s

Disease caused by HIV that rocked the '80s

Romanov Grand Duchess who was (falsely) speculated to have survived persecution during the Russian Revolution

Country in which the mujahideen fought against the Soviets

President of Palestine and chairman of the PLO who was awarded the Nobel Peace Prize in 1994

Egyptian dam whose construction required the relocation of 22 ancient monuments, kickstarting UNESCO's World Heritage Sites program

The Philippines' first female president

Company incorporated by Steve Wozniak and Steve Jobs that helped popularize the personal computer

Room of the Catherine Palace in St. Petersburg that was famously looted and dismantled by Nazi Germany; its final fate is unknown

Phrase borrowed from Latin meaning "miraculous year"; Albert Einstein had one in 1905