Austria declares war on Serbia.
What year

Austria declared war on Serbia in 1914.

Explanation:

On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were assassinated by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War.

a yes vote means: the legislature, with a two-thirds vote, could change daylight saving time if the change is allowed by the federal government. absent any legislative change, california would maintain its current daylight saving time period

b - those executed came from every social and economic class