Sidereal Year

Sidereal Year, the period during which the earth makes a revolution in its orbit with respect to the stars.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Siddons, Sarah * Sidgwick, Henry
Siam
Siamese Twins
Sibbald, Sir Robert
Siberia
Sibyl
Sicilian Vespers
Sicily
Sickingen, Franz von
Sicyon
Siddons, Sarah
Sidereal Year
Sidgwick, Henry
Sidlaw Hills
Sidmouth
Sidmouth, Henry Addington, Viscount
Sidney
Sidney, Sir Philip
Sidon
Siebengebirge
Siegfried
Siemens, Werner von