Albert's swarm happened in 1875.
The answer depends on which one of the thousands of Alberts that have lived the question refers to.
Bees generally swarm. So you might say a huge swarm, or a gigantic swarm.
Maja Einstein
Albert was born on March the 14th 1867
A swarm.
GeoDefense Swarm happened in 2009.
Alien Swarm happened in 2010.
Dian Alberts was created in 1991.
Alberts Vaters died in 1928.
Alberts Tarulis was born in 1906.
Alberts Chapel was created in 1903.
Alberts Šeibelis was born in 1906.
Alberts Šeibelis died in 1972.
Alberts Frères was created in 1899.
Eunice Alberts was born in 1927.
Alberts Rumba died in 1962.
Alberts Rumba was born in 1892.